48636520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:746

約数の個数: 64

約数和(自身を含む): 114992640

約数和(自身を除く): 66356120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 643, 1220, 1240, 1286, 1891, 2440, 2572, 3215, 3782, 5144, 6430, 7564, 9455, 12860, 15128, 18910, 19933, 25720, 37820, 39223, 39866, 75640, 78446, 79732, 99665, 156892, 159464, 196115, 199330, 313784, 392230, 398660, 784460, 797320, 1215913, 1568920, 2431826, 4863652, 6079565, 9727304, 12159130, 24318260, 48636520]

約数ペア:

[(1, 48636520), (2, 24318260), (4, 12159130), (5, 9727304), (8, 6079565), (10, 4863652), (20, 2431826), (31, 1568920), (40, 1215913), (61, 797320), (62, 784460), (122, 398660), (124, 392230), (155, 313784), (244, 199330), (248, 196115), (305, 159464), (310, 156892), (488, 99665), (610, 79732), (620, 78446), (643, 75640), (1220, 39866), (1240, 39223), (1286, 37820), (1891, 25720), (2440, 19933), (2572, 18910), (3215, 15128), (3782, 12860), (5144, 9455), (6430, 7564)]