121428880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{37021}}^1$

素因数の和:37075

約数の個数: 40

約数和(自身を含む): 289215864

約数和(自身を除く): 167786984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 37021, 74042, 148084, 185105, 296168, 370210, 592336, 740420, 1480840, 1517861, 2961680, 3035722, 6071444, 7589305, 12142888, 15178610, 24285776, 30357220, 60714440, 121428880]

約数ペア:

[(1, 121428880), (2, 60714440), (4, 30357220), (5, 24285776), (8, 15178610), (10, 12142888), (16, 7589305), (20, 6071444), (40, 3035722), (41, 2961680), (80, 1517861), (82, 1480840), (164, 740420), (205, 592336), (328, 370210), (410, 296168), (656, 185105), (820, 148084), (1640, 74042), (3280, 37021)]