201856520

素因数分解:

$2^3\times 5^1\times {\mathrm{1181}}^1\times {\mathrm{4273}}^1$

素因数の和:5465

約数の個数: 32

約数和(自身を含む): 454668120

約数和(自身を除く): 252811600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1181, 2362, 4273, 4724, 5905, 8546, 9448, 11810, 17092, 21365, 23620, 34184, 42730, 47240, 85460, 170920, 5046413, 10092826, 20185652, 25232065, 40371304, 50464130, 100928260, 201856520]

約数ペア:

[(1, 201856520), (2, 100928260), (4, 50464130), (5, 40371304), (8, 25232065), (10, 20185652), (20, 10092826), (40, 5046413), (1181, 170920), (2362, 85460), (4273, 47240), (4724, 42730), (5905, 34184), (8546, 23620), (9448, 21365), (11810, 17092)]