25328720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:292

約数の個数: 80

約数和(自身を含む): 62198400

約数和(自身を除く): 36869680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 43, 74, 80, 86, 148, 172, 185, 199, 215, 296, 344, 370, 398, 430, 592, 688, 740, 796, 860, 995, 1480, 1591, 1592, 1720, 1990, 2960, 3182, 3184, 3440, 3980, 6364, 7363, 7955, 7960, 8557, 12728, 14726, 15910, 15920, 17114, 25456, 29452, 31820, 34228, 36815, 42785, 58904, 63640, 68456, 73630, 85570, 117808, 127280, 136912, 147260, 171140, 294520, 316609, 342280, 589040, 633218, 684560, 1266436, 1583045, 2532872, 3166090, 5065744, 6332180, 12664360, 25328720]

約数ペア:

[(1, 25328720), (2, 12664360), (4, 6332180), (5, 5065744), (8, 3166090), (10, 2532872), (16, 1583045), (20, 1266436), (37, 684560), (40, 633218), (43, 589040), (74, 342280), (80, 316609), (86, 294520), (148, 171140), (172, 147260), (185, 136912), (199, 127280), (215, 117808), (296, 85570), (344, 73630), (370, 68456), (398, 63640), (430, 58904), (592, 42785), (688, 36815), (740, 34228), (796, 31820), (860, 29452), (995, 25456), (1480, 17114), (1591, 15920), (1592, 15910), (1720, 14726), (1990, 12728), (2960, 8557), (3182, 7960), (3184, 7955), (3440, 7363), (3980, 6364)]