81330432950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4339}}^1\times {\mathrm{28837}}^1$

素因数の和:33201

約数の個数: 48

約数和(自身を含む): 162954309840

約数和(自身を除く): 81623876890

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 4339, 8678, 21695, 28837, 43390, 56407, 57674, 108475, 112814, 144185, 216950, 282035, 288370, 374881, 564070, 720925, 749762, 1410175, 1441850, 1874405, 2820350, 3748810, 9372025, 18744050, 125123743, 250247486, 625618715, 1251237430, 1626608659, 3128093575, 3253217318, 6256187150, 8133043295, 16266086590, 40665216475, 81330432950]

約数ペア:

[(1, 81330432950), (2, 40665216475), (5, 16266086590), (10, 8133043295), (13, 6256187150), (25, 3253217318), (26, 3128093575), (50, 1626608659), (65, 1251237430), (130, 625618715), (325, 250247486), (650, 125123743), (4339, 18744050), (8678, 9372025), (21695, 3748810), (28837, 2820350), (43390, 1874405), (56407, 1441850), (57674, 1410175), (108475, 749762), (112814, 720925), (144185, 564070), (216950, 374881), (282035, 288370)]