26398280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{38821}}^1$

素因数の和:38849

約数の個数: 32

約数和(自身を含む): 62891640

約数和(自身を除く): 36493360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 38821, 77642, 155284, 194105, 310568, 388210, 659957, 776420, 1319914, 1552840, 2639828, 3299785, 5279656, 6599570, 13199140, 26398280]

約数ペア:

[(1, 26398280), (2, 13199140), (4, 6599570), (5, 5279656), (8, 3299785), (10, 2639828), (17, 1552840), (20, 1319914), (34, 776420), (40, 659957), (68, 388210), (85, 310568), (136, 194105), (170, 155284), (340, 77642), (680, 38821)]