25003720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{12757}}^1$

素因数の和:12782

約数の個数: 48

約数和(自身を含む): 65448540

約数和(自身を除く): 40444820

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 12757, 25514, 51028, 63785, 89299, 102056, 127570, 178598, 255140, 357196, 446495, 510280, 625093, 714392, 892990, 1250186, 1785980, 2500372, 3125465, 3571960, 5000744, 6250930, 12501860, 25003720]

約数ペア:

[(1, 25003720), (2, 12501860), (4, 6250930), (5, 5000744), (7, 3571960), (8, 3125465), (10, 2500372), (14, 1785980), (20, 1250186), (28, 892990), (35, 714392), (40, 625093), (49, 510280), (56, 446495), (70, 357196), (98, 255140), (140, 178598), (196, 127570), (245, 102056), (280, 89299), (392, 63785), (490, 51028), (980, 25514), (1960, 12757)]