28855420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4231}}^1$

素因数の和:4282

約数の個数: 48

約数和(自身を含む): 68253696

約数和(自身を除く): 39398276

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 4231, 6820, 8462, 16924, 21155, 42310, 46541, 84620, 93082, 131161, 186164, 232705, 262322, 465410, 524644, 655805, 930820, 1311610, 1442771, 2623220, 2885542, 5771084, 7213855, 14427710, 28855420]

約数ペア:

[(1, 28855420), (2, 14427710), (4, 7213855), (5, 5771084), (10, 2885542), (11, 2623220), (20, 1442771), (22, 1311610), (31, 930820), (44, 655805), (55, 524644), (62, 465410), (110, 262322), (124, 232705), (155, 186164), (220, 131161), (310, 93082), (341, 84620), (620, 46541), (682, 42310), (1364, 21155), (1705, 16924), (3410, 8462), (4231, 6820)]