61340920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 143065440

約数和(自身を除く): 81724520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 113, 164, 205, 226, 328, 331, 410, 452, 565, 662, 820, 904, 1130, 1324, 1640, 1655, 2260, 2648, 3310, 4520, 4633, 6620, 9266, 13240, 13571, 18532, 23165, 27142, 37064, 37403, 46330, 54284, 67855, 74806, 92660, 108568, 135710, 149612, 185320, 187015, 271420, 299224, 374030, 542840, 748060, 1496120, 1533523, 3067046, 6134092, 7667615, 12268184, 15335230, 30670460, 61340920]

約数ペア:

[(1, 61340920), (2, 30670460), (4, 15335230), (5, 12268184), (8, 7667615), (10, 6134092), (20, 3067046), (40, 1533523), (41, 1496120), (82, 748060), (113, 542840), (164, 374030), (205, 299224), (226, 271420), (328, 187015), (331, 185320), (410, 149612), (452, 135710), (565, 108568), (662, 92660), (820, 74806), (904, 67855), (1130, 54284), (1324, 46330), (1640, 37403), (1655, 37064), (2260, 27142), (2648, 23165), (3310, 18532), (4520, 13571), (4633, 13240), (6620, 9266)]