131645200

素因数分解:

$2^4\times 5^2\times {\mathrm{397}}^1\times {\mathrm{829}}^1$

素因数の和:1244

約数の個数: 60

約数和(自身を含む): 317456740

約数和(自身を除く): 185811540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 397, 400, 794, 829, 1588, 1658, 1985, 3176, 3316, 3970, 4145, 6352, 6632, 7940, 8290, 9925, 13264, 15880, 16580, 19850, 20725, 31760, 33160, 39700, 41450, 66320, 79400, 82900, 158800, 165800, 329113, 331600, 658226, 1316452, 1645565, 2632904, 3291130, 5265808, 6582260, 8227825, 13164520, 16455650, 26329040, 32911300, 65822600, 131645200]

約数ペア:

[(1, 131645200), (2, 65822600), (4, 32911300), (5, 26329040), (8, 16455650), (10, 13164520), (16, 8227825), (20, 6582260), (25, 5265808), (40, 3291130), (50, 2632904), (80, 1645565), (100, 1316452), (200, 658226), (397, 331600), (400, 329113), (794, 165800), (829, 158800), (1588, 82900), (1658, 79400), (1985, 66320), (3176, 41450), (3316, 39700), (3970, 33160), (4145, 31760), (6352, 20725), (6632, 19850), (7940, 16580), (8290, 15880), (9925, 13264)]