86994620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1\times {\mathrm{383}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 188310528

約数和(自身を除く): 101315908

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 277, 383, 410, 554, 766, 820, 1108, 1385, 1532, 1915, 2770, 3830, 5540, 7660, 11357, 15703, 22714, 31406, 45428, 56785, 62812, 78515, 106091, 113570, 157030, 212182, 227140, 314060, 424364, 530455, 1060910, 2121820, 4349731, 8699462, 17398924, 21748655, 43497310, 86994620]

約数ペア:

[(1, 86994620), (2, 43497310), (4, 21748655), (5, 17398924), (10, 8699462), (20, 4349731), (41, 2121820), (82, 1060910), (164, 530455), (205, 424364), (277, 314060), (383, 227140), (410, 212182), (554, 157030), (766, 113570), (820, 106091), (1108, 78515), (1385, 62812), (1532, 56785), (1915, 45428), (2770, 31406), (3830, 22714), (5540, 15703), (7660, 11357)]