100209980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12433}}^1$

素因数の和:12486

約数の個数: 48

約数和(自身を含む): 233958144

約数和(自身を除く): 133748164

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, 12433, 24866, 49732, 62165, 124330, 161629, 248660, 323258, 385423, 646516, 770846, 808145, 1541692, 1616290, 1927115, 3232580, 3854230, 5010499, 7708460, 10020998, 20041996, 25052495, 50104990, 100209980]

約数ペア:

[(1, 100209980), (2, 50104990), (4, 25052495), (5, 20041996), (10, 10020998), (13, 7708460), (20, 5010499), (26, 3854230), (31, 3232580), (52, 1927115), (62, 1616290), (65, 1541692), (124, 808145), (130, 770846), (155, 646516), (260, 385423), (310, 323258), (403, 248660), (620, 161629), (806, 124330), (1612, 62165), (2015, 49732), (4030, 24866), (8060, 12433)]