21667750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 44815680

約数和(自身を除く): 23147930

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 59, 65, 113, 118, 125, 130, 226, 250, 295, 325, 565, 590, 650, 767, 1130, 1469, 1475, 1534, 1625, 2825, 2938, 2950, 3250, 3835, 5650, 6667, 7345, 7375, 7670, 13334, 14125, 14690, 14750, 19175, 28250, 33335, 36725, 38350, 66670, 73450, 86671, 95875, 166675, 173342, 183625, 191750, 333350, 367250, 433355, 833375, 866710, 1666750, 2166775, 4333550, 10833875, 21667750]

約数ペア:

[(1, 21667750), (2, 10833875), (5, 4333550), (10, 2166775), (13, 1666750), (25, 866710), (26, 833375), (50, 433355), (59, 367250), (65, 333350), (113, 191750), (118, 183625), (125, 173342), (130, 166675), (226, 95875), (250, 86671), (295, 73450), (325, 66670), (565, 38350), (590, 36725), (650, 33335), (767, 28250), (1130, 19175), (1469, 14750), (1475, 14690), (1534, 14125), (1625, 13334), (2825, 7670), (2938, 7375), (2950, 7345), (3250, 6667), (3835, 5650)]