2805920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:118

約数の個数: 96

約数和(自身を含む): 7620480

約数和(自身を除く): 4814560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 71, 76, 80, 95, 104, 130, 142, 152, 160, 190, 208, 247, 260, 284, 304, 355, 380, 416, 494, 520, 568, 608, 710, 760, 923, 988, 1040, 1136, 1235, 1349, 1420, 1520, 1846, 1976, 2080, 2272, 2470, 2698, 2840, 3040, 3692, 3952, 4615, 4940, 5396, 5680, 6745, 7384, 7904, 9230, 9880, 10792, 11360, 13490, 14768, 17537, 18460, 19760, 21584, 26980, 29536, 35074, 36920, 39520, 43168, 53960, 70148, 73840, 87685, 107920, 140296, 147680, 175370, 215840, 280592, 350740, 561184, 701480, 1402960, 2805920]

約数ペア:

[(1, 2805920), (2, 1402960), (4, 701480), (5, 561184), (8, 350740), (10, 280592), (13, 215840), (16, 175370), (19, 147680), (20, 140296), (26, 107920), (32, 87685), (38, 73840), (40, 70148), (52, 53960), (65, 43168), (71, 39520), (76, 36920), (80, 35074), (95, 29536), (104, 26980), (130, 21584), (142, 19760), (152, 18460), (160, 17537), (190, 14768), (208, 13490), (247, 11360), (260, 10792), (284, 9880), (304, 9230), (355, 7904), (380, 7384), (416, 6745), (494, 5680), (520, 5396), (568, 4940), (608, 4615), (710, 3952), (760, 3692), (923, 3040), (988, 2840), (1040, 2698), (1136, 2470), (1235, 2272), (1349, 2080), (1420, 1976), (1520, 1846)]