80078360

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{887}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 188291520

約数和(自身を除く): 108213160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 61, 74, 122, 148, 185, 244, 296, 305, 370, 488, 610, 740, 887, 1220, 1480, 1774, 2257, 2440, 3548, 4435, 4514, 7096, 8870, 9028, 11285, 17740, 18056, 22570, 32819, 35480, 45140, 54107, 65638, 90280, 108214, 131276, 164095, 216428, 262552, 270535, 328190, 432856, 541070, 656380, 1082140, 1312760, 2001959, 2164280, 4003918, 8007836, 10009795, 16015672, 20019590, 40039180, 80078360]

約数ペア:

[(1, 80078360), (2, 40039180), (4, 20019590), (5, 16015672), (8, 10009795), (10, 8007836), (20, 4003918), (37, 2164280), (40, 2001959), (61, 1312760), (74, 1082140), (122, 656380), (148, 541070), (185, 432856), (244, 328190), (296, 270535), (305, 262552), (370, 216428), (488, 164095), (610, 131276), (740, 108214), (887, 90280), (1220, 65638), (1480, 54107), (1774, 45140), (2257, 35480), (2440, 32819), (3548, 22570), (4435, 18056), (4514, 17740), (7096, 11285), (8870, 9028)]