64925380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:473

約数の個数: 96

約数和(自身を含む): 160072416

約数和(自身を除く): 95147036

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 37, 52, 65, 68, 74, 85, 130, 148, 170, 185, 221, 260, 340, 370, 397, 442, 481, 629, 740, 794, 884, 962, 1105, 1258, 1588, 1924, 1985, 2210, 2405, 2516, 3145, 3970, 4420, 4810, 5161, 6290, 6749, 7940, 8177, 9620, 10322, 12580, 13498, 14689, 16354, 20644, 25805, 26996, 29378, 32708, 33745, 40885, 51610, 58756, 67490, 73445, 81770, 87737, 103220, 134980, 146890, 163540, 175474, 190957, 249713, 293780, 350948, 381914, 438685, 499426, 763828, 877370, 954785, 998852, 1248565, 1754740, 1909570, 2497130, 3246269, 3819140, 4994260, 6492538, 12985076, 16231345, 32462690, 64925380]

約数ペア:

[(1, 64925380), (2, 32462690), (4, 16231345), (5, 12985076), (10, 6492538), (13, 4994260), (17, 3819140), (20, 3246269), (26, 2497130), (34, 1909570), (37, 1754740), (52, 1248565), (65, 998852), (68, 954785), (74, 877370), (85, 763828), (130, 499426), (148, 438685), (170, 381914), (185, 350948), (221, 293780), (260, 249713), (340, 190957), (370, 175474), (397, 163540), (442, 146890), (481, 134980), (629, 103220), (740, 87737), (794, 81770), (884, 73445), (962, 67490), (1105, 58756), (1258, 51610), (1588, 40885), (1924, 33745), (1985, 32708), (2210, 29378), (2405, 26996), (2516, 25805), (3145, 20644), (3970, 16354), (4420, 14689), (4810, 13498), (5161, 12580), (6290, 10322), (6749, 9620), (7940, 8177)]