25434040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 61313760

約数和(自身を除く): 35879720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 113, 136, 170, 226, 331, 340, 452, 565, 662, 680, 904, 1130, 1324, 1655, 1921, 2260, 2648, 3310, 3842, 4520, 5627, 6620, 7684, 9605, 11254, 13240, 15368, 19210, 22508, 28135, 37403, 38420, 45016, 56270, 74806, 76840, 112540, 149612, 187015, 225080, 299224, 374030, 635851, 748060, 1271702, 1496120, 2543404, 3179255, 5086808, 6358510, 12717020, 25434040]

約数ペア:

[(1, 25434040), (2, 12717020), (4, 6358510), (5, 5086808), (8, 3179255), (10, 2543404), (17, 1496120), (20, 1271702), (34, 748060), (40, 635851), (68, 374030), (85, 299224), (113, 225080), (136, 187015), (170, 149612), (226, 112540), (331, 76840), (340, 74806), (452, 56270), (565, 45016), (662, 38420), (680, 37403), (904, 28135), (1130, 22508), (1324, 19210), (1655, 15368), (1921, 13240), (2260, 11254), (2648, 9605), (3310, 7684), (3842, 6620), (4520, 5627)]