26008720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 64817280

約数和(自身を除く): 38808560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 241, 284, 304, 355, 380, 482, 568, 710, 760, 964, 1136, 1205, 1349, 1420, 1520, 1928, 2410, 2698, 2840, 3856, 4579, 4820, 5396, 5680, 6745, 9158, 9640, 10792, 13490, 17111, 18316, 19280, 21584, 22895, 26980, 34222, 36632, 45790, 53960, 68444, 73264, 85555, 91580, 107920, 136888, 171110, 183160, 273776, 325109, 342220, 366320, 650218, 684440, 1300436, 1368880, 1625545, 2600872, 3251090, 5201744, 6502180, 13004360, 26008720]

約数ペア:

[(1, 26008720), (2, 13004360), (4, 6502180), (5, 5201744), (8, 3251090), (10, 2600872), (16, 1625545), (19, 1368880), (20, 1300436), (38, 684440), (40, 650218), (71, 366320), (76, 342220), (80, 325109), (95, 273776), (142, 183160), (152, 171110), (190, 136888), (241, 107920), (284, 91580), (304, 85555), (355, 73264), (380, 68444), (482, 53960), (568, 45790), (710, 36632), (760, 34222), (964, 26980), (1136, 22895), (1205, 21584), (1349, 19280), (1420, 18316), (1520, 17111), (1928, 13490), (2410, 10792), (2698, 9640), (2840, 9158), (3856, 6745), (4579, 5680), (4820, 5396)]