203865920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20551}}^1$

素因数の和:20599

約数の個数: 56

約数和(自身を含む): 501139968

約数和(自身を除く): 297274048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 20551, 41102, 82204, 102755, 164408, 205510, 328816, 411020, 637081, 657632, 822040, 1274162, 1315264, 1644080, 2548324, 3185405, 3288160, 5096648, 6370810, 6576320, 10193296, 12741620, 20386592, 25483240, 40773184, 50966480, 101932960, 203865920]

約数ペア:

[(1, 203865920), (2, 101932960), (4, 50966480), (5, 40773184), (8, 25483240), (10, 20386592), (16, 12741620), (20, 10193296), (31, 6576320), (32, 6370810), (40, 5096648), (62, 3288160), (64, 3185405), (80, 2548324), (124, 1644080), (155, 1315264), (160, 1274162), (248, 822040), (310, 657632), (320, 637081), (496, 411020), (620, 328816), (992, 205510), (1240, 164408), (1984, 102755), (2480, 82204), (4960, 41102), (9920, 20551)]