64876120

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{19541}}^1$

素因数の和:19635

約数の個数: 32

約数和(自身を含む): 147737520

約数和(自身を除く): 82861400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 19541, 39082, 78164, 97705, 156328, 195410, 390820, 781640, 1621903, 3243806, 6487612, 8109515, 12975224, 16219030, 32438060, 64876120]

約数ペア:

[(1, 64876120), (2, 32438060), (4, 16219030), (5, 12975224), (8, 8109515), (10, 6487612), (20, 3243806), (40, 1621903), (83, 781640), (166, 390820), (332, 195410), (415, 156328), (664, 97705), (830, 78164), (1660, 39082), (3320, 19541)]