4994720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:118

約数の個数: 96

約数和(自身を含む): 13063680

約数和(自身を除く): 8068960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 53, 62, 76, 80, 95, 106, 124, 152, 155, 160, 190, 212, 248, 265, 304, 310, 380, 424, 496, 530, 589, 608, 620, 760, 848, 992, 1007, 1060, 1178, 1240, 1520, 1643, 1696, 2014, 2120, 2356, 2480, 2945, 3040, 3286, 4028, 4240, 4712, 4960, 5035, 5890, 6572, 8056, 8215, 8480, 9424, 10070, 11780, 13144, 16112, 16430, 18848, 20140, 23560, 26288, 31217, 32224, 32860, 40280, 47120, 52576, 62434, 65720, 80560, 94240, 124868, 131440, 156085, 161120, 249736, 262880, 312170, 499472, 624340, 998944, 1248680, 2497360, 4994720]

約数ペア:

[(1, 4994720), (2, 2497360), (4, 1248680), (5, 998944), (8, 624340), (10, 499472), (16, 312170), (19, 262880), (20, 249736), (31, 161120), (32, 156085), (38, 131440), (40, 124868), (53, 94240), (62, 80560), (76, 65720), (80, 62434), (95, 52576), (106, 47120), (124, 40280), (152, 32860), (155, 32224), (160, 31217), (190, 26288), (212, 23560), (248, 20140), (265, 18848), (304, 16430), (310, 16112), (380, 13144), (424, 11780), (496, 10070), (530, 9424), (589, 8480), (608, 8215), (620, 8056), (760, 6572), (848, 5890), (992, 5035), (1007, 4960), (1060, 4712), (1178, 4240), (1240, 4028), (1520, 3286), (1643, 3040), (1696, 2945), (2014, 2480), (2120, 2356)]