51523240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1123}}^1$

素因数の和:1202

約数の個数: 64

約数和(自身を含む): 123010560

約数和(自身を除く): 71487320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 1123, 1147, 1240, 1480, 2246, 2294, 4492, 4588, 5615, 5735, 8984, 9176, 11230, 11470, 22460, 22940, 34813, 41551, 44920, 45880, 69626, 83102, 139252, 166204, 174065, 207755, 278504, 332408, 348130, 415510, 696260, 831020, 1288081, 1392520, 1662040, 2576162, 5152324, 6440405, 10304648, 12880810, 25761620, 51523240]

約数ペア:

[(1, 51523240), (2, 25761620), (4, 12880810), (5, 10304648), (8, 6440405), (10, 5152324), (20, 2576162), (31, 1662040), (37, 1392520), (40, 1288081), (62, 831020), (74, 696260), (124, 415510), (148, 348130), (155, 332408), (185, 278504), (248, 207755), (296, 174065), (310, 166204), (370, 139252), (620, 83102), (740, 69626), (1123, 45880), (1147, 44920), (1240, 41551), (1480, 34813), (2246, 22940), (2294, 22460), (4492, 11470), (4588, 11230), (5615, 9176), (5735, 8984)]