64346480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73121}}^1$

素因数の和:73145

約数の個数: 40

約数和(自身を含む): 163208304

約数和(自身を除く): 98861824

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 73121, 146242, 292484, 365605, 584968, 731210, 804331, 1169936, 1462420, 1608662, 2924840, 3217324, 4021655, 5849680, 6434648, 8043310, 12869296, 16086620, 32173240, 64346480]

約数ペア:

[(1, 64346480), (2, 32173240), (4, 16086620), (5, 12869296), (8, 8043310), (10, 6434648), (11, 5849680), (16, 4021655), (20, 3217324), (22, 2924840), (40, 1608662), (44, 1462420), (55, 1169936), (80, 804331), (88, 731210), (110, 584968), (176, 365605), (220, 292484), (440, 146242), (880, 73121)]