53420440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:752

約数の個数: 64

約数和(自身を含む): 126120960

約数和(自身を除く): 72700520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 67, 124, 134, 155, 248, 268, 310, 335, 536, 620, 643, 670, 1240, 1286, 1340, 2077, 2572, 2680, 3215, 4154, 5144, 6430, 8308, 10385, 12860, 16616, 19933, 20770, 25720, 39866, 41540, 43081, 79732, 83080, 86162, 99665, 159464, 172324, 199330, 215405, 344648, 398660, 430810, 797320, 861620, 1335511, 1723240, 2671022, 5342044, 6677555, 10684088, 13355110, 26710220, 53420440]

約数ペア:

[(1, 53420440), (2, 26710220), (4, 13355110), (5, 10684088), (8, 6677555), (10, 5342044), (20, 2671022), (31, 1723240), (40, 1335511), (62, 861620), (67, 797320), (124, 430810), (134, 398660), (155, 344648), (248, 215405), (268, 199330), (310, 172324), (335, 159464), (536, 99665), (620, 86162), (643, 83080), (670, 79732), (1240, 43081), (1286, 41540), (1340, 39866), (2077, 25720), (2572, 20770), (2680, 19933), (3215, 16616), (4154, 12860), (5144, 10385), (6430, 8308)]