201979570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{50119}}^1$

素因数の和:50170

約数の個数: 32

約数和(自身を含む): 404167680

約数和(自身を除く): 202188110

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 50119, 100238, 250595, 501190, 651547, 1303094, 1553689, 3107378, 3257735, 6515470, 7768445, 15536890, 20197957, 40395914, 100989785, 201979570]

約数ペア:

[(1, 201979570), (2, 100989785), (5, 40395914), (10, 20197957), (13, 15536890), (26, 7768445), (31, 6515470), (62, 3257735), (65, 3107378), (130, 1553689), (155, 1303094), (310, 651547), (403, 501190), (806, 250595), (2015, 100238), (4030, 50119)]