2013448450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{99923}}^1$

素因数の和:99979

約数の個数: 48

約数和(自身を含む): 4163233536

約数和(自身を除く): 2149785086

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 2015, 4030, 10075, 20150, 99923, 199846, 499615, 999230, 1298999, 2498075, 2597998, 3097613, 4996150, 6195226, 6494995, 12989990, 15488065, 30976130, 32474975, 40268969, 64949950, 77440325, 80537938, 154880650, 201344845, 402689690, 1006724225, 2013448450]

約数ペア:

[(1, 2013448450), (2, 1006724225), (5, 402689690), (10, 201344845), (13, 154880650), (25, 80537938), (26, 77440325), (31, 64949950), (50, 40268969), (62, 32474975), (65, 30976130), (130, 15488065), (155, 12989990), (310, 6494995), (325, 6195226), (403, 4996150), (650, 3097613), (775, 2597998), (806, 2498075), (1550, 1298999), (2015, 999230), (4030, 499615), (10075, 199846), (20150, 99923)]