80286860

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{433}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 172655616

約数和(自身を除く): 92368756

約数列:

[1, 2, 4, 5, 10, 20, 73, 127, 146, 254, 292, 365, 433, 508, 635, 730, 866, 1270, 1460, 1732, 2165, 2540, 4330, 8660, 9271, 18542, 31609, 37084, 46355, 54991, 63218, 92710, 109982, 126436, 158045, 185420, 219964, 274955, 316090, 549910, 632180, 1099820, 4014343, 8028686, 16057372, 20071715, 40143430, 80286860]

約数ペア:

[(1, 80286860), (2, 40143430), (4, 20071715), (5, 16057372), (10, 8028686), (20, 4014343), (73, 1099820), (127, 632180), (146, 549910), (254, 316090), (292, 274955), (365, 219964), (433, 185420), (508, 158045), (635, 126436), (730, 109982), (866, 92710), (1270, 63218), (1460, 54991), (1732, 46355), (2165, 37084), (2540, 31609), (4330, 18542), (8660, 9271)]