87104980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{839}}^1$

素因数の和:1056

約数の個数: 48

約数和(自身を含む): 190512000

約数和(自身を除く): 103407020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 179, 290, 358, 580, 716, 839, 895, 1678, 1790, 3356, 3580, 4195, 5191, 8390, 10382, 16780, 20764, 24331, 25955, 48662, 51910, 97324, 103820, 121655, 150181, 243310, 300362, 486620, 600724, 750905, 1501810, 3003620, 4355249, 8710498, 17420996, 21776245, 43552490, 87104980]

約数ペア:

[(1, 87104980), (2, 43552490), (4, 21776245), (5, 17420996), (10, 8710498), (20, 4355249), (29, 3003620), (58, 1501810), (116, 750905), (145, 600724), (179, 486620), (290, 300362), (358, 243310), (580, 150181), (716, 121655), (839, 103820), (895, 97324), (1678, 51910), (1790, 48662), (3356, 25955), (3580, 24331), (4195, 20764), (5191, 16780), (8390, 10382)]