12746500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:122

約数の個数: 96

約数和(自身を含む): 31370976

約数和(自身を除く): 18624476

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 37, 50, 52, 53, 65, 74, 100, 106, 125, 130, 148, 185, 212, 250, 260, 265, 325, 370, 481, 500, 530, 650, 689, 740, 925, 962, 1060, 1300, 1325, 1378, 1625, 1850, 1924, 1961, 2405, 2650, 2756, 3250, 3445, 3700, 3922, 4625, 4810, 5300, 6500, 6625, 6890, 7844, 9250, 9620, 9805, 12025, 13250, 13780, 17225, 18500, 19610, 24050, 25493, 26500, 34450, 39220, 48100, 49025, 50986, 60125, 68900, 86125, 98050, 101972, 120250, 127465, 172250, 196100, 240500, 245125, 254930, 344500, 490250, 509860, 637325, 980500, 1274650, 2549300, 3186625, 6373250, 12746500]

約数ペア:

[(1, 12746500), (2, 6373250), (4, 3186625), (5, 2549300), (10, 1274650), (13, 980500), (20, 637325), (25, 509860), (26, 490250), (37, 344500), (50, 254930), (52, 245125), (53, 240500), (65, 196100), (74, 172250), (100, 127465), (106, 120250), (125, 101972), (130, 98050), (148, 86125), (185, 68900), (212, 60125), (250, 50986), (260, 49025), (265, 48100), (325, 39220), (370, 34450), (481, 26500), (500, 25493), (530, 24050), (650, 19610), (689, 18500), (740, 17225), (925, 13780), (962, 13250), (1060, 12025), (1300, 9805), (1325, 9620), (1378, 9250), (1625, 7844), (1850, 6890), (1924, 6625), (1961, 6500), (2405, 5300), (2650, 4810), (2756, 4625), (3250, 3922), (3445, 3700)]