64533520

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{10211}}^1$

素因数の和:10303

約数の個数: 40

約数和(自身を含む): 151954560

約数和(自身を除く): 87421040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 10211, 20422, 40844, 51055, 81688, 102110, 163376, 204220, 408440, 806669, 816880, 1613338, 3226676, 4033345, 6453352, 8066690, 12906704, 16133380, 32266760, 64533520]

約数ペア:

[(1, 64533520), (2, 32266760), (4, 16133380), (5, 12906704), (8, 8066690), (10, 6453352), (16, 4033345), (20, 3226676), (40, 1613338), (79, 816880), (80, 806669), (158, 408440), (316, 204220), (395, 163376), (632, 102110), (790, 81688), (1264, 51055), (1580, 40844), (3160, 20422), (6320, 10211)]