38178920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73421}}^1$

素因数の和:73445

約数の個数: 32

約数和(自身を含む): 92511720

約数和(自身を除く): 54332800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 73421, 146842, 293684, 367105, 587368, 734210, 954473, 1468420, 1908946, 2936840, 3817892, 4772365, 7635784, 9544730, 19089460, 38178920]

約数ペア:

[(1, 38178920), (2, 19089460), (4, 9544730), (5, 7635784), (8, 4772365), (10, 3817892), (13, 2936840), (20, 1908946), (26, 1468420), (40, 954473), (52, 734210), (65, 587368), (104, 367105), (130, 293684), (260, 146842), (520, 73421)]