51049180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4007}}^1$

素因数の和:4043

約数の個数: 72

約数和(自身を含む): 134332128

約数和(自身を除く): 83282948

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 4007, 6370, 8014, 12740, 16028, 20035, 28049, 40070, 52091, 56098, 80140, 104182, 112196, 140245, 196343, 208364, 260455, 280490, 364637, 392686, 520910, 560980, 729274, 785372, 981715, 1041820, 1458548, 1823185, 1963430, 2552459, 3646370, 3926860, 5104918, 7292740, 10209836, 12762295, 25524590, 51049180]

約数ペア:

[(1, 51049180), (2, 25524590), (4, 12762295), (5, 10209836), (7, 7292740), (10, 5104918), (13, 3926860), (14, 3646370), (20, 2552459), (26, 1963430), (28, 1823185), (35, 1458548), (49, 1041820), (52, 981715), (65, 785372), (70, 729274), (91, 560980), (98, 520910), (130, 392686), (140, 364637), (182, 280490), (196, 260455), (245, 208364), (260, 196343), (364, 140245), (455, 112196), (490, 104182), (637, 80140), (910, 56098), (980, 52091), (1274, 40070), (1820, 28049), (2548, 20035), (3185, 16028), (4007, 12740), (6370, 8014)]