40439360

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9721}}^1$

素因数の和:9751

約数の個数: 56

約数和(自身を含む): 103714296

約数和(自身を除く): 63274936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 9721, 19442, 38884, 48605, 77768, 97210, 126373, 155536, 194420, 252746, 311072, 388840, 505492, 622144, 631865, 777680, 1010984, 1263730, 1555360, 2021968, 2527460, 3110720, 4043936, 5054920, 8087872, 10109840, 20219680, 40439360]

約数ペア:

[(1, 40439360), (2, 20219680), (4, 10109840), (5, 8087872), (8, 5054920), (10, 4043936), (13, 3110720), (16, 2527460), (20, 2021968), (26, 1555360), (32, 1263730), (40, 1010984), (52, 777680), (64, 631865), (65, 622144), (80, 505492), (104, 388840), (130, 311072), (160, 252746), (208, 194420), (260, 155536), (320, 126373), (416, 97210), (520, 77768), (832, 48605), (1040, 38884), (2080, 19442), (4160, 9721)]