31164160

素因数分解:

$2^8\times 5^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 75717936

約数和(自身を除く): 44553776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 251, 256, 320, 388, 485, 502, 640, 776, 970, 1004, 1255, 1280, 1552, 1940, 2008, 2510, 3104, 3880, 4016, 5020, 6208, 7760, 8032, 10040, 12416, 15520, 16064, 20080, 24347, 24832, 31040, 32128, 40160, 48694, 62080, 64256, 80320, 97388, 121735, 124160, 160640, 194776, 243470, 321280, 389552, 486940, 779104, 973880, 1558208, 1947760, 3116416, 3895520, 6232832, 7791040, 15582080, 31164160]

約数ペア:

[(1, 31164160), (2, 15582080), (4, 7791040), (5, 6232832), (8, 3895520), (10, 3116416), (16, 1947760), (20, 1558208), (32, 973880), (40, 779104), (64, 486940), (80, 389552), (97, 321280), (128, 243470), (160, 194776), (194, 160640), (251, 124160), (256, 121735), (320, 97388), (388, 80320), (485, 64256), (502, 62080), (640, 48694), (776, 40160), (970, 32128), (1004, 31040), (1255, 24832), (1280, 24347), (1552, 20080), (1940, 16064), (2008, 15520), (2510, 12416), (3104, 10040), (3880, 8032), (4016, 7760), (5020, 6208)]