64778780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{523}}^1\times {\mathrm{563}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 148950144

約数和(自身を除く): 84171364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 523, 563, 1046, 1126, 2092, 2252, 2615, 2815, 5230, 5630, 5753, 6193, 10460, 11260, 11506, 12386, 23012, 24772, 28765, 30965, 57530, 61930, 115060, 123860, 294449, 588898, 1177796, 1472245, 2944490, 3238939, 5888980, 6477878, 12955756, 16194695, 32389390, 64778780]

約数ペア:

[(1, 64778780), (2, 32389390), (4, 16194695), (5, 12955756), (10, 6477878), (11, 5888980), (20, 3238939), (22, 2944490), (44, 1472245), (55, 1177796), (110, 588898), (220, 294449), (523, 123860), (563, 115060), (1046, 61930), (1126, 57530), (2092, 30965), (2252, 28765), (2615, 24772), (2815, 23012), (5230, 12386), (5630, 11506), (5753, 11260), (6193, 10460)]