51204640

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4051}}^1$

素因数の和:4145

約数の個数: 48

約数和(自身を含む): 122532480

約数和(自身を除く): 71327840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 4051, 6320, 8102, 12640, 16204, 20255, 32408, 40510, 64816, 81020, 129632, 162040, 320029, 324080, 640058, 648160, 1280116, 1600145, 2560232, 3200290, 5120464, 6400580, 10240928, 12801160, 25602320, 51204640]

約数ペア:

[(1, 51204640), (2, 25602320), (4, 12801160), (5, 10240928), (8, 6400580), (10, 5120464), (16, 3200290), (20, 2560232), (32, 1600145), (40, 1280116), (79, 648160), (80, 640058), (158, 324080), (160, 320029), (316, 162040), (395, 129632), (632, 81020), (790, 64816), (1264, 40510), (1580, 32408), (2528, 20255), (3160, 16204), (4051, 12640), (6320, 8102)]