25281240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{461}}^1$

素因数の和:932

約数の個数: 64

約数和(自身を含む): 76174560

約数和(自身を除く): 50893320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 457, 461, 914, 922, 1371, 1383, 1828, 1844, 2285, 2305, 2742, 2766, 3656, 3688, 4570, 4610, 5484, 5532, 6855, 6915, 9140, 9220, 10968, 11064, 13710, 13830, 18280, 18440, 27420, 27660, 54840, 55320, 210677, 421354, 632031, 842708, 1053385, 1264062, 1685416, 2106770, 2528124, 3160155, 4213540, 5056248, 6320310, 8427080, 12640620, 25281240]

約数ペア:

[(1, 25281240), (2, 12640620), (3, 8427080), (4, 6320310), (5, 5056248), (6, 4213540), (8, 3160155), (10, 2528124), (12, 2106770), (15, 1685416), (20, 1264062), (24, 1053385), (30, 842708), (40, 632031), (60, 421354), (120, 210677), (457, 55320), (461, 54840), (914, 27660), (922, 27420), (1371, 18440), (1383, 18280), (1828, 13830), (1844, 13710), (2285, 11064), (2305, 10968), (2742, 9220), (2766, 9140), (3656, 6915), (3688, 6855), (4570, 5532), (4610, 5484)]