120836840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73681}}^1$

素因数の和:73733

約数の個数: 32

約数和(自身を含む): 278517960

約数和(自身を除く): 157681120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 73681, 147362, 294724, 368405, 589448, 736810, 1473620, 2947240, 3020921, 6041842, 12083684, 15104605, 24167368, 30209210, 60418420, 120836840]

約数ペア:

[(1, 120836840), (2, 60418420), (4, 30209210), (5, 24167368), (8, 15104605), (10, 12083684), (20, 6041842), (40, 3020921), (41, 2947240), (82, 1473620), (164, 736810), (205, 589448), (328, 368405), (410, 294724), (820, 147362), (1640, 73681)]