7825480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 19278000

約数和(自身を除く): 11452520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 101, 104, 130, 149, 202, 260, 298, 404, 505, 520, 596, 745, 808, 1010, 1192, 1313, 1490, 1937, 2020, 2626, 2980, 3874, 4040, 5252, 5960, 6565, 7748, 9685, 10504, 13130, 15049, 15496, 19370, 26260, 30098, 38740, 52520, 60196, 75245, 77480, 120392, 150490, 195637, 300980, 391274, 601960, 782548, 978185, 1565096, 1956370, 3912740, 7825480]

約数ペア:

[(1, 7825480), (2, 3912740), (4, 1956370), (5, 1565096), (8, 978185), (10, 782548), (13, 601960), (20, 391274), (26, 300980), (40, 195637), (52, 150490), (65, 120392), (101, 77480), (104, 75245), (130, 60196), (149, 52520), (202, 38740), (260, 30098), (298, 26260), (404, 19370), (505, 15496), (520, 15049), (596, 13130), (745, 10504), (808, 9685), (1010, 7748), (1192, 6565), (1313, 5960), (1490, 5252), (1937, 4040), (2020, 3874), (2626, 2980)]