25574900

素因数分解:

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

素因数の和:321

約数の個数: 72

約数和(自身を含む): 60662784

約数和(自身を除く): 35087884

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 103, 130, 191, 206, 260, 325, 382, 412, 515, 650, 764, 955, 1030, 1300, 1339, 1910, 2060, 2483, 2575, 2678, 3820, 4775, 4966, 5150, 5356, 6695, 9550, 9932, 10300, 12415, 13390, 19100, 19673, 24830, 26780, 33475, 39346, 49660, 62075, 66950, 78692, 98365, 124150, 133900, 196730, 248300, 255749, 393460, 491825, 511498, 983650, 1022996, 1278745, 1967300, 2557490, 5114980, 6393725, 12787450, 25574900]

約数ペア:

[(1, 25574900), (2, 12787450), (4, 6393725), (5, 5114980), (10, 2557490), (13, 1967300), (20, 1278745), (25, 1022996), (26, 983650), (50, 511498), (52, 491825), (65, 393460), (100, 255749), (103, 248300), (130, 196730), (191, 133900), (206, 124150), (260, 98365), (325, 78692), (382, 66950), (412, 62075), (515, 49660), (650, 39346), (764, 33475), (955, 26780), (1030, 24830), (1300, 19673), (1339, 19100), (1910, 13390), (2060, 12415), (2483, 10300), (2575, 9932), (2678, 9550), (3820, 6695), (4775, 5356), (4966, 5150)]