16945480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 40383360

約数和(自身を除く): 23437880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 113, 115, 163, 184, 226, 230, 326, 452, 460, 565, 652, 815, 904, 920, 1130, 1304, 1630, 2260, 2599, 3260, 3749, 4520, 5198, 6520, 7498, 10396, 12995, 14996, 18419, 18745, 20792, 25990, 29992, 36838, 37490, 51980, 73676, 74980, 92095, 103960, 147352, 149960, 184190, 368380, 423637, 736760, 847274, 1694548, 2118185, 3389096, 4236370, 8472740, 16945480]

約数ペア:

[(1, 16945480), (2, 8472740), (4, 4236370), (5, 3389096), (8, 2118185), (10, 1694548), (20, 847274), (23, 736760), (40, 423637), (46, 368380), (92, 184190), (113, 149960), (115, 147352), (163, 103960), (184, 92095), (226, 74980), (230, 73676), (326, 51980), (452, 37490), (460, 36838), (565, 29992), (652, 25990), (815, 20792), (904, 18745), (920, 18419), (1130, 14996), (1304, 12995), (1630, 10396), (2260, 7498), (2599, 6520), (3260, 5198), (3749, 4520)]