56456360

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 130740480

約数和(自身を除く): 74284120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 103, 142, 193, 206, 284, 355, 386, 412, 515, 568, 710, 772, 824, 965, 1030, 1420, 1544, 1930, 2060, 2840, 3860, 4120, 7313, 7720, 13703, 14626, 19879, 27406, 29252, 36565, 39758, 54812, 58504, 68515, 73130, 79516, 99395, 109624, 137030, 146260, 159032, 198790, 274060, 292520, 397580, 548120, 795160, 1411409, 2822818, 5645636, 7057045, 11291272, 14114090, 28228180, 56456360]

約数ペア:

[(1, 56456360), (2, 28228180), (4, 14114090), (5, 11291272), (8, 7057045), (10, 5645636), (20, 2822818), (40, 1411409), (71, 795160), (103, 548120), (142, 397580), (193, 292520), (206, 274060), (284, 198790), (355, 159032), (386, 146260), (412, 137030), (515, 109624), (568, 99395), (710, 79516), (772, 73130), (824, 68515), (965, 58504), (1030, 54812), (1420, 39758), (1544, 36565), (1930, 29252), (2060, 27406), (2840, 19879), (3860, 14626), (4120, 13703), (7313, 7720)]