20190800450

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{1231}}^1\times {\mathrm{2903}}^1$

素因数の和:4259

約数の個数: 48

約数和(自身を含む): 37931072256

約数和(自身を除く): 17740271806

約数列:

[1, 2, 5, 10, 25, 50, 113, 226, 565, 1130, 1231, 2462, 2825, 2903, 5650, 5806, 6155, 12310, 14515, 29030, 30775, 61550, 72575, 139103, 145150, 278206, 328039, 656078, 695515, 1391030, 1640195, 3280390, 3477575, 3573593, 6955150, 7147186, 8200975, 16401950, 17867965, 35735930, 89339825, 178679650, 403816009, 807632018, 2019080045, 4038160090, 10095400225, 20190800450]

約数ペア:

[(1, 20190800450), (2, 10095400225), (5, 4038160090), (10, 2019080045), (25, 807632018), (50, 403816009), (113, 178679650), (226, 89339825), (565, 35735930), (1130, 17867965), (1231, 16401950), (2462, 8200975), (2825, 7147186), (2903, 6955150), (5650, 3573593), (5806, 3477575), (6155, 3280390), (12310, 1640195), (14515, 1391030), (29030, 695515), (30775, 656078), (61550, 328039), (72575, 278206), (139103, 145150)]