1330502480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{405641}}^1$

素因数の和:405695

約数の個数: 40

約数和(自身を含む): 3168875304

約数和(自身を除く): 1838372824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 405641, 811282, 1622564, 2028205, 3245128, 4056410, 6490256, 8112820, 16225640, 16631281, 32451280, 33262562, 66525124, 83156405, 133050248, 166312810, 266100496, 332625620, 665251240, 1330502480]

約数ペア:

[(1, 1330502480), (2, 665251240), (4, 332625620), (5, 266100496), (8, 166312810), (10, 133050248), (16, 83156405), (20, 66525124), (40, 33262562), (41, 32451280), (80, 16631281), (82, 16225640), (164, 8112820), (205, 6490256), (328, 4056410), (410, 3245128), (656, 2028205), (820, 1622564), (1640, 811282), (3280, 405641)]