415840

素因数分解:

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

素因数の和:151

約数の個数: 48

約数和(自身を含む): 1034208

約数和(自身を除く): 618368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 113, 115, 160, 184, 226, 230, 368, 452, 460, 565, 736, 904, 920, 1130, 1808, 1840, 2260, 2599, 3616, 3680, 4520, 5198, 9040, 10396, 12995, 18080, 20792, 25990, 41584, 51980, 83168, 103960, 207920, 415840]

約数ペア:

[(1, 415840), (2, 207920), (4, 103960), (5, 83168), (8, 51980), (10, 41584), (16, 25990), (20, 20792), (23, 18080), (32, 12995), (40, 10396), (46, 9040), (80, 5198), (92, 4520), (113, 3680), (115, 3616), (160, 2599), (184, 2260), (226, 1840), (230, 1808), (368, 1130), (452, 920), (460, 904), (565, 736)]