8164780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1013}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 19079424

約数和(自身を除く): 10914644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1013, 1612, 2015, 2026, 4030, 4052, 5065, 8060, 10130, 13169, 20260, 26338, 31403, 52676, 62806, 65845, 125612, 131690, 157015, 263380, 314030, 408239, 628060, 816478, 1632956, 2041195, 4082390, 8164780]

約数ペア:

[(1, 8164780), (2, 4082390), (4, 2041195), (5, 1632956), (10, 816478), (13, 628060), (20, 408239), (26, 314030), (31, 263380), (52, 157015), (62, 131690), (65, 125612), (124, 65845), (130, 62806), (155, 52676), (260, 31403), (310, 26338), (403, 20260), (620, 13169), (806, 10130), (1013, 8060), (1612, 5065), (2015, 4052), (2026, 4030)]