205328440120

素因数分解:

$2^3\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{4231831}}^1$

素因数の和:4233055

約数の個数: 32

約数和(自身を含む): 462369964320

約数和(自身を除く): 257041524200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1213, 2426, 4852, 6065, 9704, 12130, 24260, 48520, 4231831, 8463662, 16927324, 21159155, 33854648, 42318310, 84636620, 169273240, 5133211003, 10266422006, 20532844012, 25666055015, 41065688024, 51332110030, 102664220060, 205328440120]

約数ペア:

[(1, 205328440120), (2, 102664220060), (4, 51332110030), (5, 41065688024), (8, 25666055015), (10, 20532844012), (20, 10266422006), (40, 5133211003), (1213, 169273240), (2426, 84636620), (4852, 42318310), (6065, 33854648), (9704, 21159155), (12130, 16927324), (24260, 8463662), (48520, 4231831)]