12787450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:319

約数の個数: 48

約数和(自身を含む): 25998336

約数和(自身を除く): 13210886

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 103, 130, 191, 206, 325, 382, 515, 650, 955, 1030, 1339, 1910, 2483, 2575, 2678, 4775, 4966, 5150, 6695, 9550, 12415, 13390, 19673, 24830, 33475, 39346, 62075, 66950, 98365, 124150, 196730, 255749, 491825, 511498, 983650, 1278745, 2557490, 6393725, 12787450]

約数ペア:

[(1, 12787450), (2, 6393725), (5, 2557490), (10, 1278745), (13, 983650), (25, 511498), (26, 491825), (50, 255749), (65, 196730), (103, 124150), (130, 98365), (191, 66950), (206, 62075), (325, 39346), (382, 33475), (515, 24830), (650, 19673), (955, 13390), (1030, 12415), (1339, 9550), (1910, 6695), (2483, 5150), (2575, 4966), (2678, 4775)]