71251420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{209563}}^1$

素因数の和:209589

約数の個数: 24

約数和(自身を含む): 158430384

約数和(自身を除く): 87178964

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 209563, 419126, 838252, 1047815, 2095630, 3562571, 4191260, 7125142, 14250284, 17812855, 35625710, 71251420]

約数ペア:

[(1, 71251420), (2, 35625710), (4, 17812855), (5, 14250284), (10, 7125142), (17, 4191260), (20, 3562571), (34, 2095630), (68, 1047815), (85, 838252), (170, 419126), (340, 209563)]