201132520

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{68881}}^1$

素因数の和:68965

約数の個数: 32

約数和(自身を含む): 458754120

約数和(自身を除く): 257621600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 68881, 137762, 275524, 344405, 551048, 688810, 1377620, 2755240, 5028313, 10056626, 20113252, 25141565, 40226504, 50283130, 100566260, 201132520]

約数ペア:

[(1, 201132520), (2, 100566260), (4, 50283130), (5, 40226504), (8, 25141565), (10, 20113252), (20, 10056626), (40, 5028313), (73, 2755240), (146, 1377620), (292, 688810), (365, 551048), (584, 344405), (730, 275524), (1460, 137762), (2920, 68881)]