86561800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^3\times {\mathrm{197}}^1$

素因数の和:252

約数の個数: 96

約数和(自身を含む): 219126600

約数和(自身を除く): 132564800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 169, 197, 200, 260, 325, 338, 394, 520, 650, 676, 788, 845, 985, 1300, 1352, 1576, 1690, 1970, 2197, 2561, 2600, 3380, 3940, 4225, 4394, 4925, 5122, 6760, 7880, 8450, 8788, 9850, 10244, 10985, 12805, 16900, 17576, 19700, 20488, 21970, 25610, 33293, 33800, 39400, 43940, 51220, 54925, 64025, 66586, 87880, 102440, 109850, 128050, 133172, 166465, 219700, 256100, 266344, 332930, 432809, 439400, 512200, 665860, 832325, 865618, 1331720, 1664650, 1731236, 2164045, 3329300, 3462472, 4328090, 6658600, 8656180, 10820225, 17312360, 21640450, 43280900, 86561800]

約数ペア:

[(1, 86561800), (2, 43280900), (4, 21640450), (5, 17312360), (8, 10820225), (10, 8656180), (13, 6658600), (20, 4328090), (25, 3462472), (26, 3329300), (40, 2164045), (50, 1731236), (52, 1664650), (65, 1331720), (100, 865618), (104, 832325), (130, 665860), (169, 512200), (197, 439400), (200, 432809), (260, 332930), (325, 266344), (338, 256100), (394, 219700), (520, 166465), (650, 133172), (676, 128050), (788, 109850), (845, 102440), (985, 87880), (1300, 66586), (1352, 64025), (1576, 54925), (1690, 51220), (1970, 43940), (2197, 39400), (2561, 33800), (2600, 33293), (3380, 25610), (3940, 21970), (4225, 20488), (4394, 19700), (4925, 17576), (5122, 16900), (6760, 12805), (7880, 10985), (8450, 10244), (8788, 9850)]