201551480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{1117}}^1$

素因数の和:1488

約数の個数: 64

約数和(自身を含む): 490220640

約数和(自身を除く): 288669160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 347, 520, 694, 1117, 1388, 1735, 2234, 2776, 3470, 4468, 4511, 5585, 6940, 8936, 9022, 11170, 13880, 14521, 18044, 22340, 22555, 29042, 36088, 44680, 45110, 58084, 72605, 90220, 116168, 145210, 180440, 290420, 387599, 580840, 775198, 1550396, 1937995, 3100792, 3875990, 5038787, 7751980, 10077574, 15503960, 20155148, 25193935, 40310296, 50387870, 100775740, 201551480]

約数ペア:

[(1, 201551480), (2, 100775740), (4, 50387870), (5, 40310296), (8, 25193935), (10, 20155148), (13, 15503960), (20, 10077574), (26, 7751980), (40, 5038787), (52, 3875990), (65, 3100792), (104, 1937995), (130, 1550396), (260, 775198), (347, 580840), (520, 387599), (694, 290420), (1117, 180440), (1388, 145210), (1735, 116168), (2234, 90220), (2776, 72605), (3470, 58084), (4468, 45110), (4511, 44680), (5585, 36088), (6940, 29042), (8936, 22555), (9022, 22340), (11170, 18044), (13880, 14521)]