79975220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4591}}^1$

素因数の和:4680

約数の個数: 48

約数和(自身を含む): 183606528

約数和(自身を除く): 103631308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3484, 4355, 4591, 8710, 9182, 17420, 18364, 22955, 45910, 59683, 91820, 119366, 238732, 298415, 307597, 596830, 615194, 1193660, 1230388, 1537985, 3075970, 3998761, 6151940, 7997522, 15995044, 19993805, 39987610, 79975220]

約数ペア:

[(1, 79975220), (2, 39987610), (4, 19993805), (5, 15995044), (10, 7997522), (13, 6151940), (20, 3998761), (26, 3075970), (52, 1537985), (65, 1230388), (67, 1193660), (130, 615194), (134, 596830), (260, 307597), (268, 298415), (335, 238732), (670, 119366), (871, 91820), (1340, 59683), (1742, 45910), (3484, 22955), (4355, 18364), (4591, 17420), (8710, 9182)]