145328740

素因数分解:

$2^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{10639}}^1$

素因数の和:11331

約数の個数: 24

約数和(自身を含む): 305665920

約数和(自身を除く): 160337180

約数列:

[1, 2, 4, 5, 10, 20, 683, 1366, 2732, 3415, 6830, 10639, 13660, 21278, 42556, 53195, 106390, 212780, 7266437, 14532874, 29065748, 36332185, 72664370, 145328740]

約数ペア:

[(1, 145328740), (2, 72664370), (4, 36332185), (5, 29065748), (10, 14532874), (20, 7266437), (683, 212780), (1366, 106390), (2732, 53195), (3415, 42556), (6830, 21278), (10639, 13660)]