64152020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103471}}^1$

素因数の和:103511

約数の個数: 24

約数和(自身を含む): 139066368

約数和(自身を除く): 74914348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 103471, 206942, 413884, 517355, 1034710, 2069420, 3207601, 6415202, 12830404, 16038005, 32076010, 64152020]

約数ペア:

[(1, 64152020), (2, 32076010), (4, 16038005), (5, 12830404), (10, 6415202), (20, 3207601), (31, 2069420), (62, 1034710), (124, 517355), (155, 413884), (310, 206942), (620, 103471)]