51149800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:323

約数の個数: 96

約数和(自身を含む): 129991680

約数和(自身を除く): 78841880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 103, 104, 130, 191, 200, 206, 260, 325, 382, 412, 515, 520, 650, 764, 824, 955, 1030, 1300, 1339, 1528, 1910, 2060, 2483, 2575, 2600, 2678, 3820, 4120, 4775, 4966, 5150, 5356, 6695, 7640, 9550, 9932, 10300, 10712, 12415, 13390, 19100, 19673, 19864, 20600, 24830, 26780, 33475, 38200, 39346, 49660, 53560, 62075, 66950, 78692, 98365, 99320, 124150, 133900, 157384, 196730, 248300, 255749, 267800, 393460, 491825, 496600, 511498, 786920, 983650, 1022996, 1278745, 1967300, 2045992, 2557490, 3934600, 5114980, 6393725, 10229960, 12787450, 25574900, 51149800]

約数ペア:

[(1, 51149800), (2, 25574900), (4, 12787450), (5, 10229960), (8, 6393725), (10, 5114980), (13, 3934600), (20, 2557490), (25, 2045992), (26, 1967300), (40, 1278745), (50, 1022996), (52, 983650), (65, 786920), (100, 511498), (103, 496600), (104, 491825), (130, 393460), (191, 267800), (200, 255749), (206, 248300), (260, 196730), (325, 157384), (382, 133900), (412, 124150), (515, 99320), (520, 98365), (650, 78692), (764, 66950), (824, 62075), (955, 53560), (1030, 49660), (1300, 39346), (1339, 38200), (1528, 33475), (1910, 26780), (2060, 24830), (2483, 20600), (2575, 19864), (2600, 19673), (2678, 19100), (3820, 13390), (4120, 12415), (4775, 10712), (4966, 10300), (5150, 9932), (5356, 9550), (6695, 7640)]