38986240

素因数分解:

$2^9\times 5^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:277

約数の個数: 80

約数和(自身を含む): 95040792

約数和(自身を除く): 56054552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 157, 160, 194, 256, 314, 320, 388, 485, 512, 628, 640, 776, 785, 970, 1256, 1280, 1552, 1570, 1940, 2512, 2560, 3104, 3140, 3880, 5024, 6208, 6280, 7760, 10048, 12416, 12560, 15229, 15520, 20096, 24832, 25120, 30458, 31040, 40192, 49664, 50240, 60916, 62080, 76145, 80384, 100480, 121832, 124160, 152290, 200960, 243664, 248320, 304580, 401920, 487328, 609160, 974656, 1218320, 1949312, 2436640, 3898624, 4873280, 7797248, 9746560, 19493120, 38986240]

約数ペア:

[(1, 38986240), (2, 19493120), (4, 9746560), (5, 7797248), (8, 4873280), (10, 3898624), (16, 2436640), (20, 1949312), (32, 1218320), (40, 974656), (64, 609160), (80, 487328), (97, 401920), (128, 304580), (157, 248320), (160, 243664), (194, 200960), (256, 152290), (314, 124160), (320, 121832), (388, 100480), (485, 80384), (512, 76145), (628, 62080), (640, 60916), (776, 50240), (785, 49664), (970, 40192), (1256, 31040), (1280, 30458), (1552, 25120), (1570, 24832), (1940, 20096), (2512, 15520), (2560, 15229), (3104, 12560), (3140, 12416), (3880, 10048), (5024, 7760), (6208, 6280)]