2255920

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:349

約数の個数: 40

約数和(自身を含む): 5307696

約数和(自身を除く): 3051776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 173, 326, 346, 652, 692, 815, 865, 1304, 1384, 1630, 1730, 2608, 2768, 3260, 3460, 6520, 6920, 13040, 13840, 28199, 56398, 112796, 140995, 225592, 281990, 451184, 563980, 1127960, 2255920]

約数ペア:

[(1, 2255920), (2, 1127960), (4, 563980), (5, 451184), (8, 281990), (10, 225592), (16, 140995), (20, 112796), (40, 56398), (80, 28199), (163, 13840), (173, 13040), (326, 6920), (346, 6520), (652, 3460), (692, 3260), (815, 2768), (865, 2608), (1304, 1730), (1384, 1630)]