7883930840

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1063}}^1\times {\mathrm{1181}}^1$

素因数の和:2412

約数の個数: 64

約数和(自身を含む): 17883754560

約数和(自身を除く): 9999823720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1063, 1181, 1256, 1570, 2126, 2362, 3140, 4252, 4724, 5315, 5905, 6280, 8504, 9448, 10630, 11810, 21260, 23620, 42520, 47240, 166891, 185417, 333782, 370834, 667564, 741668, 834455, 927085, 1255403, 1335128, 1483336, 1668910, 1854170, 2510806, 3337820, 3708340, 5021612, 6277015, 6675640, 7416680, 10043224, 12554030, 25108060, 50216120, 197098271, 394196542, 788393084, 985491355, 1576786168, 1970982710, 3941965420, 7883930840]

約数ペア:

[(1, 7883930840), (2, 3941965420), (4, 1970982710), (5, 1576786168), (8, 985491355), (10, 788393084), (20, 394196542), (40, 197098271), (157, 50216120), (314, 25108060), (628, 12554030), (785, 10043224), (1063, 7416680), (1181, 6675640), (1256, 6277015), (1570, 5021612), (2126, 3708340), (2362, 3337820), (3140, 2510806), (4252, 1854170), (4724, 1668910), (5315, 1483336), (5905, 1335128), (6280, 1255403), (8504, 927085), (9448, 834455), (10630, 741668), (11810, 667564), (21260, 370834), (23620, 333782), (42520, 185417), (47240, 166891)]