66544400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:289

約数の個数: 120

約数和(自身を含む): 175655424

約数和(自身を除く): 109111024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 67, 80, 100, 104, 130, 134, 191, 200, 208, 260, 268, 325, 335, 382, 400, 520, 536, 650, 670, 764, 871, 955, 1040, 1072, 1300, 1340, 1528, 1675, 1742, 1910, 2483, 2600, 2680, 3056, 3350, 3484, 3820, 4355, 4775, 4966, 5200, 5360, 6700, 6968, 7640, 8710, 9550, 9932, 12415, 12797, 13400, 13936, 15280, 17420, 19100, 19864, 21775, 24830, 25594, 26800, 34840, 38200, 39728, 43550, 49660, 51188, 62075, 63985, 69680, 76400, 87100, 99320, 102376, 124150, 127970, 166361, 174200, 198640, 204752, 248300, 255940, 319925, 332722, 348400, 496600, 511880, 639850, 665444, 831805, 993200, 1023760, 1279700, 1330888, 1663610, 2559400, 2661776, 3327220, 4159025, 5118800, 6654440, 8318050, 13308880, 16636100, 33272200, 66544400]

約数ペア:

[(1, 66544400), (2, 33272200), (4, 16636100), (5, 13308880), (8, 8318050), (10, 6654440), (13, 5118800), (16, 4159025), (20, 3327220), (25, 2661776), (26, 2559400), (40, 1663610), (50, 1330888), (52, 1279700), (65, 1023760), (67, 993200), (80, 831805), (100, 665444), (104, 639850), (130, 511880), (134, 496600), (191, 348400), (200, 332722), (208, 319925), (260, 255940), (268, 248300), (325, 204752), (335, 198640), (382, 174200), (400, 166361), (520, 127970), (536, 124150), (650, 102376), (670, 99320), (764, 87100), (871, 76400), (955, 69680), (1040, 63985), (1072, 62075), (1300, 51188), (1340, 49660), (1528, 43550), (1675, 39728), (1742, 38200), (1910, 34840), (2483, 26800), (2600, 25594), (2680, 24830), (3056, 21775), (3350, 19864), (3484, 19100), (3820, 17420), (4355, 15280), (4775, 13936), (4966, 13400), (5200, 12797), (5360, 12415), (6700, 9932), (6968, 9550), (7640, 8710)]