66398900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{21419}}^1$

素因数の和:21464

約数の個数: 36

約数和(自身を含む): 148740480

約数和(自身を除く): 82341580

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 21419, 42838, 85676, 107095, 214190, 428380, 535475, 663989, 1070950, 1327978, 2141900, 2655956, 3319945, 6639890, 13279780, 16599725, 33199450, 66398900]

約数ペア:

[(1, 66398900), (2, 33199450), (4, 16599725), (5, 13279780), (10, 6639890), (20, 3319945), (25, 2655956), (31, 2141900), (50, 1327978), (62, 1070950), (100, 663989), (124, 535475), (155, 428380), (310, 214190), (620, 107095), (775, 85676), (1550, 42838), (3100, 21419)]