8897980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4889}}^1$

素因数の和:4918

約数の個数: 48

約数和(自身を含む): 23002560

約数和(自身を除く): 14104580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4889, 9778, 19556, 24445, 34223, 48890, 63557, 68446, 97780, 127114, 136892, 171115, 254228, 317785, 342230, 444899, 635570, 684460, 889798, 1271140, 1779596, 2224495, 4448990, 8897980]

約数ペア:

[(1, 8897980), (2, 4448990), (4, 2224495), (5, 1779596), (7, 1271140), (10, 889798), (13, 684460), (14, 635570), (20, 444899), (26, 342230), (28, 317785), (35, 254228), (52, 171115), (65, 136892), (70, 127114), (91, 97780), (130, 68446), (140, 63557), (182, 48890), (260, 34223), (364, 24445), (455, 19556), (910, 9778), (1820, 4889)]