9956180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 22755600

約数和(自身を除く): 12799420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 257, 260, 298, 514, 596, 745, 1028, 1285, 1490, 1937, 2570, 2980, 3341, 3874, 5140, 6682, 7748, 9685, 13364, 16705, 19370, 33410, 38293, 38740, 66820, 76586, 153172, 191465, 382930, 497809, 765860, 995618, 1991236, 2489045, 4978090, 9956180]

約数ペア:

[(1, 9956180), (2, 4978090), (4, 2489045), (5, 1991236), (10, 995618), (13, 765860), (20, 497809), (26, 382930), (52, 191465), (65, 153172), (130, 76586), (149, 66820), (257, 38740), (260, 38293), (298, 33410), (514, 19370), (596, 16705), (745, 13364), (1028, 9685), (1285, 7748), (1490, 6682), (1937, 5140), (2570, 3874), (2980, 3341)]