80908360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155593}}^1$

素因数の和:155617

約数の個数: 32

約数和(自身を含む): 196048440

約数和(自身を除く): 115140080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 155593, 311186, 622372, 777965, 1244744, 1555930, 2022709, 3111860, 4045418, 6223720, 8090836, 10113545, 16181672, 20227090, 40454180, 80908360]

約数ペア:

[(1, 80908360), (2, 40454180), (4, 20227090), (5, 16181672), (8, 10113545), (10, 8090836), (13, 6223720), (20, 4045418), (26, 3111860), (40, 2022709), (52, 1555930), (65, 1244744), (104, 777965), (130, 622372), (260, 311186), (520, 155593)]