7910480

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1621}}^1$

素因数の和:1695

約数の個数: 40

約数和(自身を含む): 18704904

約数和(自身を除く): 10794424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 1621, 2440, 3242, 4880, 6484, 8105, 12968, 16210, 25936, 32420, 64840, 98881, 129680, 197762, 395524, 494405, 791048, 988810, 1582096, 1977620, 3955240, 7910480]

約数ペア:

[(1, 7910480), (2, 3955240), (4, 1977620), (5, 1582096), (8, 988810), (10, 791048), (16, 494405), (20, 395524), (40, 197762), (61, 129680), (80, 98881), (122, 64840), (244, 32420), (305, 25936), (488, 16210), (610, 12968), (976, 8105), (1220, 6484), (1621, 4880), (2440, 3242)]