64578140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2693}}^1$

素因数の和:2822

約数の個数: 48

約数和(自身を含む): 149355360

約数和(自身を除く): 84777220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 2693, 4796, 5386, 5995, 10772, 11990, 13465, 23980, 26930, 29623, 53860, 59246, 118492, 148115, 293537, 296230, 587074, 592460, 1174148, 1467685, 2935370, 3228907, 5870740, 6457814, 12915628, 16144535, 32289070, 64578140]

約数ペア:

[(1, 64578140), (2, 32289070), (4, 16144535), (5, 12915628), (10, 6457814), (11, 5870740), (20, 3228907), (22, 2935370), (44, 1467685), (55, 1174148), (109, 592460), (110, 587074), (218, 296230), (220, 293537), (436, 148115), (545, 118492), (1090, 59246), (1199, 53860), (2180, 29623), (2398, 26930), (2693, 23980), (4796, 13465), (5386, 11990), (5995, 10772)]