30805240

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{7477}}^1$

素因数の和:7591

約数の個数: 32

約数和(自身を含む): 69994080

約数和(自身を除く): 39188840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 7477, 14954, 29908, 37385, 59816, 74770, 149540, 299080, 770131, 1540262, 3080524, 3850655, 6161048, 7701310, 15402620, 30805240]

約数ペア:

[(1, 30805240), (2, 15402620), (4, 7701310), (5, 6161048), (8, 3850655), (10, 3080524), (20, 1540262), (40, 770131), (103, 299080), (206, 149540), (412, 74770), (515, 59816), (824, 37385), (1030, 29908), (2060, 14954), (4120, 7477)]