30680840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{26449}}^1$

素因数の和:26489

約数の個数: 32

約数和(自身を含む): 71415000

約数和(自身を除く): 40734160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 26449, 52898, 105796, 132245, 211592, 264490, 528980, 767021, 1057960, 1534042, 3068084, 3835105, 6136168, 7670210, 15340420, 30680840]

約数ペア:

[(1, 30680840), (2, 15340420), (4, 7670210), (5, 6136168), (8, 3835105), (10, 3068084), (20, 1534042), (29, 1057960), (40, 767021), (58, 528980), (116, 264490), (145, 211592), (232, 132245), (290, 105796), (580, 52898), (1160, 26449)]