8837680

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1811}}^1$

素因数の和:1885

約数の個数: 40

約数和(自身を含む): 20895984

約数和(自身を除く): 12058304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 1811, 2440, 3622, 4880, 7244, 9055, 14488, 18110, 28976, 36220, 72440, 110471, 144880, 220942, 441884, 552355, 883768, 1104710, 1767536, 2209420, 4418840, 8837680]

約数ペア:

[(1, 8837680), (2, 4418840), (4, 2209420), (5, 1767536), (8, 1104710), (10, 883768), (16, 552355), (20, 441884), (40, 220942), (61, 144880), (80, 110471), (122, 72440), (244, 36220), (305, 28976), (488, 18110), (610, 14488), (976, 9055), (1220, 7244), (1811, 4880), (2440, 3622)]