81824720

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{12323}}^1$

素因数の和:12419

約数の個数: 40

約数和(自身を含む): 192550176

約数和(自身を除く): 110725456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 12323, 24646, 49292, 61615, 98584, 123230, 197168, 246460, 492920, 985840, 1022809, 2045618, 4091236, 5114045, 8182472, 10228090, 16364944, 20456180, 40912360, 81824720]

約数ペア:

[(1, 81824720), (2, 40912360), (4, 20456180), (5, 16364944), (8, 10228090), (10, 8182472), (16, 5114045), (20, 4091236), (40, 2045618), (80, 1022809), (83, 985840), (166, 492920), (332, 246460), (415, 197168), (664, 123230), (830, 98584), (1328, 61615), (1660, 49292), (3320, 24646), (6640, 12323)]