3993040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 80

約数和(自身を含む): 10177920

約数和(自身を除く): 6184880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 71, 74, 76, 80, 95, 142, 148, 152, 185, 190, 284, 296, 304, 355, 370, 380, 568, 592, 703, 710, 740, 760, 1136, 1349, 1406, 1420, 1480, 1520, 2627, 2698, 2812, 2840, 2960, 3515, 5254, 5396, 5624, 5680, 6745, 7030, 10508, 10792, 11248, 13135, 13490, 14060, 21016, 21584, 26270, 26980, 28120, 42032, 49913, 52540, 53960, 56240, 99826, 105080, 107920, 199652, 210160, 249565, 399304, 499130, 798608, 998260, 1996520, 3993040]

約数ペア:

[(1, 3993040), (2, 1996520), (4, 998260), (5, 798608), (8, 499130), (10, 399304), (16, 249565), (19, 210160), (20, 199652), (37, 107920), (38, 105080), (40, 99826), (71, 56240), (74, 53960), (76, 52540), (80, 49913), (95, 42032), (142, 28120), (148, 26980), (152, 26270), (185, 21584), (190, 21016), (284, 14060), (296, 13490), (304, 13135), (355, 11248), (370, 10792), (380, 10508), (568, 7030), (592, 6745), (703, 5680), (710, 5624), (740, 5396), (760, 5254), (1136, 3515), (1349, 2960), (1406, 2840), (1420, 2812), (1480, 2698), (1520, 2627)]