520023160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{18493}}^1$

素因数の和:18560

約数の個数: 64

約数和(自身を含む): 1264989600

約数和(自身を除く): 744966440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 703, 740, 760, 1406, 1480, 2812, 3515, 5624, 7030, 14060, 18493, 28120, 36986, 73972, 92465, 147944, 184930, 351367, 369860, 684241, 702734, 739720, 1368482, 1405468, 1756835, 2736964, 2810936, 3421205, 3513670, 5473928, 6842410, 7027340, 13000579, 13684820, 14054680, 26001158, 27369640, 52002316, 65002895, 104004632, 130005790, 260011580, 520023160]

約数ペア:

[(1, 520023160), (2, 260011580), (4, 130005790), (5, 104004632), (8, 65002895), (10, 52002316), (19, 27369640), (20, 26001158), (37, 14054680), (38, 13684820), (40, 13000579), (74, 7027340), (76, 6842410), (95, 5473928), (148, 3513670), (152, 3421205), (185, 2810936), (190, 2736964), (296, 1756835), (370, 1405468), (380, 1368482), (703, 739720), (740, 702734), (760, 684241), (1406, 369860), (1480, 351367), (2812, 184930), (3515, 147944), (5624, 92465), (7030, 73972), (14060, 36986), (18493, 28120)]