202465640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389357}}^1$

素因数の和:389381

約数の個数: 32

約数和(自身を含む): 490591080

約数和(自身を除く): 288125440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 389357, 778714, 1557428, 1946785, 3114856, 3893570, 5061641, 7787140, 10123282, 15574280, 20246564, 25308205, 40493128, 50616410, 101232820, 202465640]

約数ペア:

[(1, 202465640), (2, 101232820), (4, 50616410), (5, 40493128), (8, 25308205), (10, 20246564), (13, 15574280), (20, 10123282), (26, 7787140), (40, 5061641), (52, 3893570), (65, 3114856), (104, 1946785), (130, 1557428), (260, 778714), (520, 389357)]