91888420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8219}}^1$

素因数の和:8284

約数の個数: 48

約数和(自身を含む): 212667840

約数和(自身を除く): 120779420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 8219, 11180, 16438, 32876, 41095, 82190, 106847, 164380, 213694, 353417, 427388, 534235, 706834, 1068470, 1413668, 1767085, 2136940, 3534170, 4594421, 7068340, 9188842, 18377684, 22972105, 45944210, 91888420]

約数ペア:

[(1, 91888420), (2, 45944210), (4, 22972105), (5, 18377684), (10, 9188842), (13, 7068340), (20, 4594421), (26, 3534170), (43, 2136940), (52, 1767085), (65, 1413668), (86, 1068470), (130, 706834), (172, 534235), (215, 427388), (260, 353417), (430, 213694), (559, 164380), (860, 106847), (1118, 82190), (2236, 41095), (2795, 32876), (5590, 16438), (8219, 11180)]