4418840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1811}}^1$

素因数の和:1883

約数の個数: 32

約数和(自身を含む): 10110960

約数和(自身を除く): 5692120

約数列:

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

約数ペア:

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