89960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 219240

約数和(自身を除く): 129280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 173, 260, 346, 520, 692, 865, 1384, 1730, 2249, 3460, 4498, 6920, 8996, 11245, 17992, 22490, 44980, 89960]

約数ペア:

[(1, 89960), (2, 44980), (4, 22490), (5, 17992), (8, 11245), (10, 8996), (13, 6920), (20, 4498), (26, 3460), (40, 2249), (52, 1730), (65, 1384), (104, 865), (130, 692), (173, 520), (260, 346)]