103688720

素因数分解:

$2^4\times 5^1\times {\mathrm{1296109}}^1$

素因数の和:1296122

約数の個数: 20

約数和(自身を含む): 241076460

約数和(自身を除く): 137387740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1296109, 2592218, 5184436, 6480545, 10368872, 12961090, 20737744, 25922180, 51844360, 103688720]

約数ペア:

[(1, 103688720), (2, 51844360), (4, 25922180), (5, 20737744), (8, 12961090), (10, 10368872), (16, 6480545), (20, 5184436), (40, 2592218), (80, 1296109)]