4778740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3917}}^1$

素因数の和:3987

約数の個数: 24

約数和(自身を含む): 10202472

約数和(自身を除く): 5423732

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 3917, 7834, 15668, 19585, 39170, 78340, 238937, 477874, 955748, 1194685, 2389370, 4778740]

約数ペア:

[(1, 4778740), (2, 2389370), (4, 1194685), (5, 955748), (10, 477874), (20, 238937), (61, 78340), (122, 39170), (244, 19585), (305, 15668), (610, 7834), (1220, 3917)]