64629940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1\times {\mathrm{293}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 140026320

約数和(自身を除く): 75396380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 269, 293, 410, 538, 586, 820, 1076, 1172, 1345, 1465, 2690, 2930, 5380, 5860, 11029, 12013, 22058, 24026, 44116, 48052, 55145, 60065, 78817, 110290, 120130, 157634, 220580, 240260, 315268, 394085, 788170, 1576340, 3231497, 6462994, 12925988, 16157485, 32314970, 64629940]

約数ペア:

[(1, 64629940), (2, 32314970), (4, 16157485), (5, 12925988), (10, 6462994), (20, 3231497), (41, 1576340), (82, 788170), (164, 394085), (205, 315268), (269, 240260), (293, 220580), (410, 157634), (538, 120130), (586, 110290), (820, 78817), (1076, 60065), (1172, 55145), (1345, 48052), (1465, 44116), (2690, 24026), (2930, 22058), (5380, 12013), (5860, 11029)]