66494740

素因数分解:

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

素因数の和:329

約数の個数: 72

約数和(自身を含む): 153474048

約数和(自身を除く): 86979308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 169, 191, 206, 260, 338, 382, 412, 515, 676, 764, 845, 955, 1030, 1339, 1690, 1910, 2060, 2483, 2678, 3380, 3820, 4966, 5356, 6695, 9932, 12415, 13390, 17407, 19673, 24830, 26780, 32279, 34814, 39346, 49660, 64558, 69628, 78692, 87035, 98365, 129116, 161395, 174070, 196730, 255749, 322790, 348140, 393460, 511498, 645580, 1022996, 1278745, 2557490, 3324737, 5114980, 6649474, 13298948, 16623685, 33247370, 66494740]

約数ペア:

[(1, 66494740), (2, 33247370), (4, 16623685), (5, 13298948), (10, 6649474), (13, 5114980), (20, 3324737), (26, 2557490), (52, 1278745), (65, 1022996), (103, 645580), (130, 511498), (169, 393460), (191, 348140), (206, 322790), (260, 255749), (338, 196730), (382, 174070), (412, 161395), (515, 129116), (676, 98365), (764, 87035), (845, 78692), (955, 69628), (1030, 64558), (1339, 49660), (1690, 39346), (1910, 34814), (2060, 32279), (2483, 26780), (2678, 24830), (3380, 19673), (3820, 17407), (4966, 13390), (5356, 12415), (6695, 9932)]