28626160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:578

約数の個数: 80

約数和(自身を含む): 72093600

約数和(自身を除く): 43467440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 509, 592, 703, 740, 760, 1018, 1406, 1480, 1520, 2036, 2545, 2812, 2960, 3515, 4072, 5090, 5624, 7030, 8144, 9671, 10180, 11248, 14060, 18833, 19342, 20360, 28120, 37666, 38684, 40720, 48355, 56240, 75332, 77368, 94165, 96710, 150664, 154736, 188330, 193420, 301328, 357827, 376660, 386840, 715654, 753320, 773680, 1431308, 1506640, 1789135, 2862616, 3578270, 5725232, 7156540, 14313080, 28626160]

約数ペア:

[(1, 28626160), (2, 14313080), (4, 7156540), (5, 5725232), (8, 3578270), (10, 2862616), (16, 1789135), (19, 1506640), (20, 1431308), (37, 773680), (38, 753320), (40, 715654), (74, 386840), (76, 376660), (80, 357827), (95, 301328), (148, 193420), (152, 188330), (185, 154736), (190, 150664), (296, 96710), (304, 94165), (370, 77368), (380, 75332), (509, 56240), (592, 48355), (703, 40720), (740, 38684), (760, 37666), (1018, 28120), (1406, 20360), (1480, 19342), (1520, 18833), (2036, 14060), (2545, 11248), (2812, 10180), (2960, 9671), (3515, 8144), (4072, 7030), (5090, 5624)]