79400320

素因数分解:

$2^7\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1279}}^1$

素因数の和:1395

約数の個数: 64

約数和(自身を含む): 191923200

約数和(自身を除く): 112522880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 320, 388, 485, 640, 776, 970, 1279, 1552, 1940, 2558, 3104, 3880, 5116, 6208, 6395, 7760, 10232, 12416, 12790, 15520, 20464, 25580, 31040, 40928, 51160, 62080, 81856, 102320, 124063, 163712, 204640, 248126, 409280, 496252, 620315, 818560, 992504, 1240630, 1985008, 2481260, 3970016, 4962520, 7940032, 9925040, 15880064, 19850080, 39700160, 79400320]

約数ペア:

[(1, 79400320), (2, 39700160), (4, 19850080), (5, 15880064), (8, 9925040), (10, 7940032), (16, 4962520), (20, 3970016), (32, 2481260), (40, 1985008), (64, 1240630), (80, 992504), (97, 818560), (128, 620315), (160, 496252), (194, 409280), (320, 248126), (388, 204640), (485, 163712), (640, 124063), (776, 102320), (970, 81856), (1279, 62080), (1552, 51160), (1940, 40928), (2558, 31040), (3104, 25580), (3880, 20464), (5116, 15520), (6208, 12790), (6395, 12416), (7760, 10232)]