201604780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25013}}^1$

素因数の和:25066

約数の個数: 48

約数和(自身を含む): 470663424

約数和(自身を除く): 269058644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 25013, 50026, 100052, 125065, 250130, 325169, 500260, 650338, 775403, 1300676, 1550806, 1625845, 3101612, 3251690, 3877015, 6503380, 7754030, 10080239, 15508060, 20160478, 40320956, 50401195, 100802390, 201604780]

約数ペア:

[(1, 201604780), (2, 100802390), (4, 50401195), (5, 40320956), (10, 20160478), (13, 15508060), (20, 10080239), (26, 7754030), (31, 6503380), (52, 3877015), (62, 3251690), (65, 3101612), (124, 1625845), (130, 1550806), (155, 1300676), (260, 775403), (310, 650338), (403, 500260), (620, 325169), (806, 250130), (1612, 125065), (2015, 100052), (4030, 50026), (8060, 25013)]