2009779850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1031}}^1\times {\mathrm{2999}}^1$

素因数の和:4055

約数の個数: 48

約数和(自身を含む): 4030992000

約数和(自身を除く): 2021212150

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 1031, 2062, 2999, 5155, 5998, 10310, 13403, 14995, 25775, 26806, 29990, 38987, 51550, 67015, 74975, 77974, 134030, 149950, 194935, 335075, 389870, 670150, 974675, 1949350, 3091969, 6183938, 15459845, 30919690, 40195597, 77299225, 80391194, 154598450, 200977985, 401955970, 1004889925, 2009779850]

約数ペア:

[(1, 2009779850), (2, 1004889925), (5, 401955970), (10, 200977985), (13, 154598450), (25, 80391194), (26, 77299225), (50, 40195597), (65, 30919690), (130, 15459845), (325, 6183938), (650, 3091969), (1031, 1949350), (2062, 974675), (2999, 670150), (5155, 389870), (5998, 335075), (10310, 194935), (13403, 149950), (14995, 134030), (25775, 77974), (26806, 74975), (29990, 67015), (38987, 51550)]