61635880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{90641}}^1$

素因数の和:90669

約数の個数: 32

約数和(自身を含む): 146840040

約数和(自身を除く): 85204160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 90641, 181282, 362564, 453205, 725128, 906410, 1540897, 1812820, 3081794, 3625640, 6163588, 7704485, 12327176, 15408970, 30817940, 61635880]

約数ペア:

[(1, 61635880), (2, 30817940), (4, 15408970), (5, 12327176), (8, 7704485), (10, 6163588), (17, 3625640), (20, 3081794), (34, 1812820), (40, 1540897), (68, 906410), (85, 725128), (136, 453205), (170, 362564), (340, 181282), (680, 90641)]