39819520

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2393}}^1$

素因数の和:2427

約数の個数: 72

約数和(自身を含む): 102760056

約数和(自身を除く): 62940536

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, 2393, 3328, 4160, 4786, 8320, 9572, 11965, 16640, 19144, 23930, 31109, 38288, 47860, 62218, 76576, 95720, 124436, 153152, 155545, 191440, 248872, 306304, 311090, 382880, 497744, 612608, 622180, 765760, 995488, 1244360, 1531520, 1990976, 2488720, 3063040, 3981952, 4977440, 7963904, 9954880, 19909760, 39819520]

約数ペア:

[(1, 39819520), (2, 19909760), (4, 9954880), (5, 7963904), (8, 4977440), (10, 3981952), (13, 3063040), (16, 2488720), (20, 1990976), (26, 1531520), (32, 1244360), (40, 995488), (52, 765760), (64, 622180), (65, 612608), (80, 497744), (104, 382880), (128, 311090), (130, 306304), (160, 248872), (208, 191440), (256, 155545), (260, 153152), (320, 124436), (416, 95720), (520, 76576), (640, 62218), (832, 47860), (1040, 38288), (1280, 31109), (1664, 23930), (2080, 19144), (2393, 16640), (3328, 11965), (4160, 9572), (4786, 8320)]