804900920

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{275651}}^1$

素因数の和:275735

約数の個数: 32

約数和(自身を含む): 1835842320

約数和(自身を除く): 1030941400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 275651, 551302, 1102604, 1378255, 2205208, 2756510, 5513020, 11026040, 20122523, 40245046, 80490092, 100612615, 160980184, 201225230, 402450460, 804900920]

約数ペア:

[(1, 804900920), (2, 402450460), (4, 201225230), (5, 160980184), (8, 100612615), (10, 80490092), (20, 40245046), (40, 20122523), (73, 11026040), (146, 5513020), (292, 2756510), (365, 2205208), (584, 1378255), (730, 1102604), (1460, 551302), (2920, 275651)]