28131350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{383}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 56996352

約数和(自身を除く): 28865002

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 113, 130, 226, 325, 383, 565, 650, 766, 1130, 1469, 1915, 2825, 2938, 3830, 4979, 5650, 7345, 9575, 9958, 14690, 19150, 24895, 36725, 43279, 49790, 73450, 86558, 124475, 216395, 248950, 432790, 562627, 1081975, 1125254, 2163950, 2813135, 5626270, 14065675, 28131350]

約数ペア:

[(1, 28131350), (2, 14065675), (5, 5626270), (10, 2813135), (13, 2163950), (25, 1125254), (26, 1081975), (50, 562627), (65, 432790), (113, 248950), (130, 216395), (226, 124475), (325, 86558), (383, 73450), (565, 49790), (650, 43279), (766, 36725), (1130, 24895), (1469, 19150), (1915, 14690), (2825, 9958), (2938, 9575), (3830, 7345), (4979, 5650)]