80680340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1367}}^1$

素因数の和:1616

約数の個数: 48

約数和(自身を含む): 183399552

約数和(自身を除く): 102719212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 227, 260, 454, 908, 1135, 1367, 2270, 2734, 2951, 4540, 5468, 5902, 6835, 11804, 13670, 14755, 17771, 27340, 29510, 35542, 59020, 71084, 88855, 177710, 310309, 355420, 620618, 1241236, 1551545, 3103090, 4034017, 6206180, 8068034, 16136068, 20170085, 40340170, 80680340]

約数ペア:

[(1, 80680340), (2, 40340170), (4, 20170085), (5, 16136068), (10, 8068034), (13, 6206180), (20, 4034017), (26, 3103090), (52, 1551545), (65, 1241236), (130, 620618), (227, 355420), (260, 310309), (454, 177710), (908, 88855), (1135, 71084), (1367, 59020), (2270, 35542), (2734, 29510), (2951, 27340), (4540, 17771), (5468, 14755), (5902, 13670), (6835, 11804)]