159984800

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{6451}}^1$

素因数の和:6502

約数の個数: 72

約数和(自身を含む): 403224192

約数和(自身を除く): 243239392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 155, 160, 200, 248, 310, 400, 496, 620, 775, 800, 992, 1240, 1550, 2480, 3100, 4960, 6200, 6451, 12400, 12902, 24800, 25804, 32255, 51608, 64510, 103216, 129020, 161275, 199981, 206432, 258040, 322550, 399962, 516080, 645100, 799924, 999905, 1032160, 1290200, 1599848, 1999810, 2580400, 3199696, 3999620, 4999525, 5160800, 6399392, 7999240, 9999050, 15998480, 19998100, 31996960, 39996200, 79992400, 159984800]

約数ペア:

[(1, 159984800), (2, 79992400), (4, 39996200), (5, 31996960), (8, 19998100), (10, 15998480), (16, 9999050), (20, 7999240), (25, 6399392), (31, 5160800), (32, 4999525), (40, 3999620), (50, 3199696), (62, 2580400), (80, 1999810), (100, 1599848), (124, 1290200), (155, 1032160), (160, 999905), (200, 799924), (248, 645100), (310, 516080), (400, 399962), (496, 322550), (620, 258040), (775, 206432), (800, 199981), (992, 161275), (1240, 129020), (1550, 103216), (2480, 64510), (3100, 51608), (4960, 32255), (6200, 25804), (6451, 24800), (12400, 12902)]