25333460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{409}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 56481600

約数和(自身を除く): 31148140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 163, 190, 326, 380, 409, 652, 815, 818, 1630, 1636, 2045, 3097, 3260, 4090, 6194, 7771, 8180, 12388, 15485, 15542, 30970, 31084, 38855, 61940, 66667, 77710, 133334, 155420, 266668, 333335, 666670, 1266673, 1333340, 2533346, 5066692, 6333365, 12666730, 25333460]

約数ペア:

[(1, 25333460), (2, 12666730), (4, 6333365), (5, 5066692), (10, 2533346), (19, 1333340), (20, 1266673), (38, 666670), (76, 333335), (95, 266668), (163, 155420), (190, 133334), (326, 77710), (380, 66667), (409, 61940), (652, 38855), (815, 31084), (818, 30970), (1630, 15542), (1636, 15485), (2045, 12388), (3097, 8180), (3260, 7771), (4090, 6194)]