65292820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1987}}^1$

素因数の和:2080

約数の個数: 48

約数和(自身を含む): 144281088

約数和(自身を除く): 78988268

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 124, 155, 212, 265, 310, 530, 620, 1060, 1643, 1987, 3286, 3974, 6572, 7948, 8215, 9935, 16430, 19870, 32860, 39740, 61597, 105311, 123194, 210622, 246388, 307985, 421244, 526555, 615970, 1053110, 1231940, 2106220, 3264641, 6529282, 13058564, 16323205, 32646410, 65292820]

約数ペア:

[(1, 65292820), (2, 32646410), (4, 16323205), (5, 13058564), (10, 6529282), (20, 3264641), (31, 2106220), (53, 1231940), (62, 1053110), (106, 615970), (124, 526555), (155, 421244), (212, 307985), (265, 246388), (310, 210622), (530, 123194), (620, 105311), (1060, 61597), (1643, 39740), (1987, 32860), (3286, 19870), (3974, 16430), (6572, 9935), (7948, 8215)]