80972944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5483}}^1$

素因数の和:5575

約数の個数: 40

約数和(自身を含む): 171364032

約数和(自身を除く): 90391088

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 3692, 5483, 7384, 10966, 14768, 21932, 43864, 71279, 87728, 142558, 285116, 389293, 570232, 778586, 1140464, 1557172, 3114344, 5060809, 6228688, 10121618, 20243236, 40486472, 80972944]

約数ペア:

[(1, 80972944), (2, 40486472), (4, 20243236), (8, 10121618), (13, 6228688), (16, 5060809), (26, 3114344), (52, 1557172), (71, 1140464), (104, 778586), (142, 570232), (208, 389293), (284, 285116), (568, 142558), (923, 87728), (1136, 71279), (1846, 43864), (3692, 21932), (5483, 14768), (7384, 10966)]