39120640

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2351}}^1$

素因数の和:2385

約数の個数: 72

約数和(自身を含む): 100957248

約数和(自身を除く): 61836608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 2351, 3328, 4160, 4702, 8320, 9404, 11755, 16640, 18808, 23510, 30563, 37616, 47020, 61126, 75232, 94040, 122252, 150464, 152815, 188080, 244504, 300928, 305630, 376160, 489008, 601856, 611260, 752320, 978016, 1222520, 1504640, 1956032, 2445040, 3009280, 3912064, 4890080, 7824128, 9780160, 19560320, 39120640]

約数ペア:

[(1, 39120640), (2, 19560320), (4, 9780160), (5, 7824128), (8, 4890080), (10, 3912064), (13, 3009280), (16, 2445040), (20, 1956032), (26, 1504640), (32, 1222520), (40, 978016), (52, 752320), (64, 611260), (65, 601856), (80, 489008), (104, 376160), (128, 305630), (130, 300928), (160, 244504), (208, 188080), (256, 152815), (260, 150464), (320, 122252), (416, 94040), (520, 75232), (640, 61126), (832, 47020), (1040, 37616), (1280, 30563), (1664, 23510), (2080, 18808), (2351, 16640), (3328, 11755), (4160, 9404), (4702, 8320)]