78880750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{1867}}^1$

素因数の和:1910

約数の個数: 48

約数和(自身を含む): 159982992

約数和(自身を除く): 81102242

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 169, 250, 325, 338, 650, 845, 1625, 1690, 1867, 3250, 3734, 4225, 8450, 9335, 18670, 21125, 24271, 42250, 46675, 48542, 93350, 121355, 233375, 242710, 315523, 466750, 606775, 631046, 1213550, 1577615, 3033875, 3155230, 6067750, 7888075, 15776150, 39440375, 78880750]

約数ペア:

[(1, 78880750), (2, 39440375), (5, 15776150), (10, 7888075), (13, 6067750), (25, 3155230), (26, 3033875), (50, 1577615), (65, 1213550), (125, 631046), (130, 606775), (169, 466750), (250, 315523), (325, 242710), (338, 233375), (650, 121355), (845, 93350), (1625, 48542), (1690, 46675), (1867, 42250), (3250, 24271), (3734, 21125), (4225, 18670), (8450, 9335)]