87309220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{55259}}^1$

素因数の和:55347

約数の個数: 24

約数和(自身を含む): 185673600

約数和(自身を除く): 98364380

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 55259, 110518, 221036, 276295, 552590, 1105180, 4365461, 8730922, 17461844, 21827305, 43654610, 87309220]

約数ペア:

[(1, 87309220), (2, 43654610), (4, 21827305), (5, 17461844), (10, 8730922), (20, 4365461), (79, 1105180), (158, 552590), (316, 276295), (395, 221036), (790, 110518), (1580, 55259)]