80936020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:281

約数の個数: 96

約数和(自身を含む): 194737536

約数和(自身を除く): 113801516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 61, 74, 110, 122, 148, 163, 185, 220, 244, 305, 326, 370, 407, 610, 652, 671, 740, 814, 815, 1220, 1342, 1628, 1630, 1793, 2035, 2257, 2684, 3260, 3355, 3586, 4070, 4514, 6031, 6710, 7172, 8140, 8965, 9028, 9943, 11285, 12062, 13420, 17930, 19886, 22570, 24124, 24827, 30155, 35860, 39772, 45140, 49654, 49715, 60310, 66341, 99308, 99430, 109373, 120620, 124135, 132682, 198860, 218746, 248270, 265364, 331705, 367891, 437492, 496540, 546865, 663410, 735782, 1093730, 1326820, 1471564, 1839455, 2187460, 3678910, 4046801, 7357820, 8093602, 16187204, 20234005, 40468010, 80936020]

約数ペア:

[(1, 80936020), (2, 40468010), (4, 20234005), (5, 16187204), (10, 8093602), (11, 7357820), (20, 4046801), (22, 3678910), (37, 2187460), (44, 1839455), (55, 1471564), (61, 1326820), (74, 1093730), (110, 735782), (122, 663410), (148, 546865), (163, 496540), (185, 437492), (220, 367891), (244, 331705), (305, 265364), (326, 248270), (370, 218746), (407, 198860), (610, 132682), (652, 124135), (671, 120620), (740, 109373), (814, 99430), (815, 99308), (1220, 66341), (1342, 60310), (1628, 49715), (1630, 49654), (1793, 45140), (2035, 39772), (2257, 35860), (2684, 30155), (3260, 24827), (3355, 24124), (3586, 22570), (4070, 19886), (4514, 17930), (6031, 13420), (6710, 12062), (7172, 11285), (8140, 9943), (8965, 9028)]