38286820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1217}}^1$

素因数の和:1261

約数の個数: 72

約数和(自身を含む): 95252472

約数和(自身を除く): 56965652

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 605, 715, 1210, 1217, 1430, 1573, 2420, 2434, 2860, 3146, 4868, 6085, 6292, 7865, 12170, 13387, 15730, 15821, 24340, 26774, 31460, 31642, 53548, 63284, 66935, 79105, 133870, 147257, 158210, 174031, 267740, 294514, 316420, 348062, 589028, 696124, 736285, 870155, 1472570, 1740310, 1914341, 2945140, 3480620, 3828682, 7657364, 9571705, 19143410, 38286820]

約数ペア:

[(1, 38286820), (2, 19143410), (4, 9571705), (5, 7657364), (10, 3828682), (11, 3480620), (13, 2945140), (20, 1914341), (22, 1740310), (26, 1472570), (44, 870155), (52, 736285), (55, 696124), (65, 589028), (110, 348062), (121, 316420), (130, 294514), (143, 267740), (220, 174031), (242, 158210), (260, 147257), (286, 133870), (484, 79105), (572, 66935), (605, 63284), (715, 53548), (1210, 31642), (1217, 31460), (1430, 26774), (1573, 24340), (2420, 15821), (2434, 15730), (2860, 13387), (3146, 12170), (4868, 7865), (6085, 6292)]