23143720

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{6971}}^1$

素因数の和:7065

約数の個数: 32

約数和(自身を含む): 52708320

約数和(自身を除く): 29564600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 6971, 13942, 27884, 34855, 55768, 69710, 139420, 278840, 578593, 1157186, 2314372, 2892965, 4628744, 5785930, 11571860, 23143720]

約数ペア:

[(1, 23143720), (2, 11571860), (4, 5785930), (5, 4628744), (8, 2892965), (10, 2314372), (20, 1157186), (40, 578593), (83, 278840), (166, 139420), (332, 69710), (415, 55768), (664, 34855), (830, 27884), (1660, 13942), (3320, 6971)]