31661960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{317}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 78304320

約数和(自身を除く): 46642360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 227, 317, 440, 454, 634, 908, 1135, 1268, 1585, 1816, 2270, 2497, 2536, 3170, 3487, 4540, 4994, 6340, 6974, 9080, 9988, 12485, 12680, 13948, 17435, 19976, 24970, 27896, 34870, 49940, 69740, 71959, 99880, 139480, 143918, 287836, 359795, 575672, 719590, 791549, 1439180, 1583098, 2878360, 3166196, 3957745, 6332392, 7915490, 15830980, 31661960]

約数ペア:

[(1, 31661960), (2, 15830980), (4, 7915490), (5, 6332392), (8, 3957745), (10, 3166196), (11, 2878360), (20, 1583098), (22, 1439180), (40, 791549), (44, 719590), (55, 575672), (88, 359795), (110, 287836), (220, 143918), (227, 139480), (317, 99880), (440, 71959), (454, 69740), (634, 49940), (908, 34870), (1135, 27896), (1268, 24970), (1585, 19976), (1816, 17435), (2270, 13948), (2497, 12680), (2536, 12485), (3170, 9988), (3487, 9080), (4540, 6974), (4994, 6340)]