51646400

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^2\times {\mathrm{191}}^1$

素因数の和:239

約数の個数: 126

約数和(自身を含む): 138330432

約数和(自身を除く): 86684032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 169, 191, 200, 208, 260, 320, 325, 338, 382, 400, 416, 520, 650, 676, 764, 800, 832, 845, 955, 1040, 1300, 1352, 1528, 1600, 1690, 1910, 2080, 2483, 2600, 2704, 3056, 3380, 3820, 4160, 4225, 4775, 4966, 5200, 5408, 6112, 6760, 7640, 8450, 9550, 9932, 10400, 10816, 12224, 12415, 13520, 15280, 16900, 19100, 19864, 20800, 24830, 27040, 30560, 32279, 33800, 38200, 39728, 49660, 54080, 61120, 62075, 64558, 67600, 76400, 79456, 99320, 124150, 129116, 135200, 152800, 158912, 161395, 198640, 248300, 258232, 270400, 305600, 322790, 397280, 496600, 516464, 645580, 794560, 806975, 993200, 1032928, 1291160, 1613950, 1986400, 2065856, 2582320, 3227900, 3972800, 5164640, 6455800, 10329280, 12911600, 25823200, 51646400]

約数ペア:

[(1, 51646400), (2, 25823200), (4, 12911600), (5, 10329280), (8, 6455800), (10, 5164640), (13, 3972800), (16, 3227900), (20, 2582320), (25, 2065856), (26, 1986400), (32, 1613950), (40, 1291160), (50, 1032928), (52, 993200), (64, 806975), (65, 794560), (80, 645580), (100, 516464), (104, 496600), (130, 397280), (160, 322790), (169, 305600), (191, 270400), (200, 258232), (208, 248300), (260, 198640), (320, 161395), (325, 158912), (338, 152800), (382, 135200), (400, 129116), (416, 124150), (520, 99320), (650, 79456), (676, 76400), (764, 67600), (800, 64558), (832, 62075), (845, 61120), (955, 54080), (1040, 49660), (1300, 39728), (1352, 38200), (1528, 33800), (1600, 32279), (1690, 30560), (1910, 27040), (2080, 24830), (2483, 20800), (2600, 19864), (2704, 19100), (3056, 16900), (3380, 15280), (3820, 13520), (4160, 12415), (4225, 12224), (4775, 10816), (4966, 10400), (5200, 9932), (5408, 9550), (6112, 8450), (6760, 7640)]