8395420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1231}}^1$

素因数の和:1282

約数の個数: 48

約数和(自身を含む): 19869696

約数和(自身を除く): 11474276

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1231, 1364, 1705, 2462, 3410, 4924, 6155, 6820, 12310, 13541, 24620, 27082, 38161, 54164, 67705, 76322, 135410, 152644, 190805, 270820, 381610, 419771, 763220, 839542, 1679084, 2098855, 4197710, 8395420]

約数ペア:

[(1, 8395420), (2, 4197710), (4, 2098855), (5, 1679084), (10, 839542), (11, 763220), (20, 419771), (22, 381610), (31, 270820), (44, 190805), (55, 152644), (62, 135410), (110, 76322), (124, 67705), (155, 54164), (220, 38161), (310, 27082), (341, 24620), (620, 13541), (682, 12310), (1231, 6820), (1364, 6155), (1705, 4924), (2462, 3410)]