205651360

素因数分解:

$2^5\times 5^1\times {\mathrm{571}}^1\times {\mathrm{2251}}^1$

素因数の和:2837

約数の個数: 48

約数和(自身を含む): 486918432

約数和(自身を除く): 281267072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 571, 1142, 2251, 2284, 2855, 4502, 4568, 5710, 9004, 9136, 11255, 11420, 18008, 18272, 22510, 22840, 36016, 45020, 45680, 72032, 90040, 91360, 180080, 360160, 1285321, 2570642, 5141284, 6426605, 10282568, 12853210, 20565136, 25706420, 41130272, 51412840, 102825680, 205651360]

約数ペア:

[(1, 205651360), (2, 102825680), (4, 51412840), (5, 41130272), (8, 25706420), (10, 20565136), (16, 12853210), (20, 10282568), (32, 6426605), (40, 5141284), (80, 2570642), (160, 1285321), (571, 360160), (1142, 180080), (2251, 91360), (2284, 90040), (2855, 72032), (4502, 45680), (4568, 45020), (5710, 36016), (9004, 22840), (9136, 22510), (11255, 18272), (11420, 18008)]