65273240

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{16823}}^1$

素因数の和:16931

約数の個数: 32

約数和(自身を含む): 148387680

約数和(自身を除く): 83114440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 16823, 33646, 67292, 84115, 134584, 168230, 336460, 672920, 1631831, 3263662, 6527324, 8159155, 13054648, 16318310, 32636620, 65273240]

約数ペア:

[(1, 65273240), (2, 32636620), (4, 16318310), (5, 13054648), (8, 8159155), (10, 6527324), (20, 3263662), (40, 1631831), (97, 672920), (194, 336460), (388, 168230), (485, 134584), (776, 84115), (970, 67292), (1940, 33646), (3880, 16823)]