39508840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{947}}^1$

素因数の和:1114

約数の個数: 64

約数和(自身を含む): 102384000

約数和(自身を除く): 62875160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 947, 1043, 1192, 1490, 1894, 2086, 2980, 3788, 4172, 4735, 5215, 5960, 6629, 7576, 8344, 9470, 10430, 13258, 18940, 20860, 26516, 33145, 37880, 41720, 53032, 66290, 132580, 141103, 265160, 282206, 564412, 705515, 987721, 1128824, 1411030, 1975442, 2822060, 3950884, 4938605, 5644120, 7901768, 9877210, 19754420, 39508840]

約数ペア:

[(1, 39508840), (2, 19754420), (4, 9877210), (5, 7901768), (7, 5644120), (8, 4938605), (10, 3950884), (14, 2822060), (20, 1975442), (28, 1411030), (35, 1128824), (40, 987721), (56, 705515), (70, 564412), (140, 282206), (149, 265160), (280, 141103), (298, 132580), (596, 66290), (745, 53032), (947, 41720), (1043, 37880), (1192, 33145), (1490, 26516), (1894, 20860), (2086, 18940), (2980, 13258), (3788, 10430), (4172, 9470), (4735, 8344), (5215, 7576), (5960, 6629)]