51926240

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:113

約数の個数: 144

約数和(自身を含む): 138257280

約数和(自身を除く): 86331040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 31, 32, 38, 40, 58, 62, 76, 80, 95, 116, 124, 145, 152, 155, 160, 190, 232, 248, 290, 304, 310, 361, 380, 464, 496, 551, 580, 589, 608, 620, 722, 760, 899, 928, 992, 1102, 1160, 1178, 1240, 1444, 1520, 1798, 1805, 2204, 2320, 2356, 2480, 2755, 2888, 2945, 3040, 3596, 3610, 4408, 4495, 4640, 4712, 4960, 5510, 5776, 5890, 7192, 7220, 8816, 8990, 9424, 10469, 11020, 11191, 11552, 11780, 14384, 14440, 17081, 17632, 17980, 18848, 20938, 22040, 22382, 23560, 28768, 28880, 34162, 35960, 41876, 44080, 44764, 47120, 52345, 55955, 57760, 68324, 71920, 83752, 85405, 88160, 89528, 94240, 104690, 111910, 136648, 143840, 167504, 170810, 179056, 209380, 223820, 273296, 324539, 335008, 341620, 358112, 418760, 447640, 546592, 649078, 683240, 837520, 895280, 1298156, 1366480, 1622695, 1675040, 1790560, 2596312, 2732960, 3245390, 5192624, 6490780, 10385248, 12981560, 25963120, 51926240]

約数ペア:

[(1, 51926240), (2, 25963120), (4, 12981560), (5, 10385248), (8, 6490780), (10, 5192624), (16, 3245390), (19, 2732960), (20, 2596312), (29, 1790560), (31, 1675040), (32, 1622695), (38, 1366480), (40, 1298156), (58, 895280), (62, 837520), (76, 683240), (80, 649078), (95, 546592), (116, 447640), (124, 418760), (145, 358112), (152, 341620), (155, 335008), (160, 324539), (190, 273296), (232, 223820), (248, 209380), (290, 179056), (304, 170810), (310, 167504), (361, 143840), (380, 136648), (464, 111910), (496, 104690), (551, 94240), (580, 89528), (589, 88160), (608, 85405), (620, 83752), (722, 71920), (760, 68324), (899, 57760), (928, 55955), (992, 52345), (1102, 47120), (1160, 44764), (1178, 44080), (1240, 41876), (1444, 35960), (1520, 34162), (1798, 28880), (1805, 28768), (2204, 23560), (2320, 22382), (2356, 22040), (2480, 20938), (2755, 18848), (2888, 17980), (2945, 17632), (3040, 17081), (3596, 14440), (3610, 14384), (4408, 11780), (4495, 11552), (4640, 11191), (4712, 11020), (4960, 10469), (5510, 9424), (5776, 8990), (5890, 8816), (7192, 7220)]