12478551160

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1187}}^1\times {\mathrm{2953}}^1$

素因数の和:4240

約数の個数: 64

約数和(自身を含む): 28425751200

約数和(自身を除く): 15947200040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1187, 1780, 2374, 2953, 3560, 4748, 5906, 5935, 9496, 11812, 11870, 14765, 23624, 23740, 29530, 47480, 59060, 105643, 118120, 211286, 262817, 422572, 525634, 528215, 845144, 1051268, 1056430, 1314085, 2102536, 2112860, 2628170, 3505211, 4225720, 5256340, 7010422, 10512680, 14020844, 17526055, 28041688, 35052110, 70104220, 140208440, 311963779, 623927558, 1247855116, 1559818895, 2495710232, 3119637790, 6239275580, 12478551160]

約数ペア:

[(1, 12478551160), (2, 6239275580), (4, 3119637790), (5, 2495710232), (8, 1559818895), (10, 1247855116), (20, 623927558), (40, 311963779), (89, 140208440), (178, 70104220), (356, 35052110), (445, 28041688), (712, 17526055), (890, 14020844), (1187, 10512680), (1780, 7010422), (2374, 5256340), (2953, 4225720), (3560, 3505211), (4748, 2628170), (5906, 2112860), (5935, 2102536), (9496, 1314085), (11812, 1056430), (11870, 1051268), (14765, 845144), (23624, 528215), (23740, 525634), (29530, 422572), (47480, 262817), (59060, 211286), (105643, 118120)]