78855200

素因数分解:

$2^5\times 5^2\times {\mathrm{241}}^1\times {\mathrm{409}}^1$

素因数の和:670

約数の個数: 72

約数和(自身を含む): 193776660

約数和(自身を除く): 114921460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 241, 400, 409, 482, 800, 818, 964, 1205, 1636, 1928, 2045, 2410, 3272, 3856, 4090, 4820, 6025, 6544, 7712, 8180, 9640, 10225, 12050, 13088, 16360, 19280, 20450, 24100, 32720, 38560, 40900, 48200, 65440, 81800, 96400, 98569, 163600, 192800, 197138, 327200, 394276, 492845, 788552, 985690, 1577104, 1971380, 2464225, 3154208, 3942760, 4928450, 7885520, 9856900, 15771040, 19713800, 39427600, 78855200]

約数ペア:

[(1, 78855200), (2, 39427600), (4, 19713800), (5, 15771040), (8, 9856900), (10, 7885520), (16, 4928450), (20, 3942760), (25, 3154208), (32, 2464225), (40, 1971380), (50, 1577104), (80, 985690), (100, 788552), (160, 492845), (200, 394276), (241, 327200), (400, 197138), (409, 192800), (482, 163600), (800, 98569), (818, 96400), (964, 81800), (1205, 65440), (1636, 48200), (1928, 40900), (2045, 38560), (2410, 32720), (3272, 24100), (3856, 20450), (4090, 19280), (4820, 16360), (6025, 13088), (6544, 12050), (7712, 10225), (8180, 9640)]