56747080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1789}}^1$

素因数の和:1874

約数の個数: 64

約数和(自身を含む): 139834800

約数和(自身を除く): 83087720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1586, 1789, 2440, 3172, 3578, 3965, 6344, 7156, 7930, 8945, 14312, 15860, 17890, 23257, 31720, 35780, 46514, 71560, 93028, 109129, 116285, 186056, 218258, 232570, 436516, 465140, 545645, 873032, 930280, 1091290, 1418677, 2182580, 2837354, 4365160, 5674708, 7093385, 11349416, 14186770, 28373540, 56747080]

約数ペア:

[(1, 56747080), (2, 28373540), (4, 14186770), (5, 11349416), (8, 7093385), (10, 5674708), (13, 4365160), (20, 2837354), (26, 2182580), (40, 1418677), (52, 1091290), (61, 930280), (65, 873032), (104, 545645), (122, 465140), (130, 436516), (244, 232570), (260, 218258), (305, 186056), (488, 116285), (520, 109129), (610, 93028), (793, 71560), (1220, 46514), (1586, 35780), (1789, 31720), (2440, 23257), (3172, 17890), (3578, 15860), (3965, 14312), (6344, 8945), (7156, 7930)]