25963120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:111

約数の個数: 120

約数和(自身を含む): 68031360

約数和(自身を除く): 42068240

約数列:

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

約数ペア:

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