31571000

素因数分解:

$2^3\times 5^3\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:393

約数の個数: 64

約数和(自身を含む): 74748960

約数和(自身を除く): 43177960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 131, 200, 241, 250, 262, 482, 500, 524, 655, 964, 1000, 1048, 1205, 1310, 1928, 2410, 2620, 3275, 4820, 5240, 6025, 6550, 9640, 12050, 13100, 16375, 24100, 26200, 30125, 31571, 32750, 48200, 60250, 63142, 65500, 120500, 126284, 131000, 157855, 241000, 252568, 315710, 631420, 789275, 1262840, 1578550, 3157100, 3946375, 6314200, 7892750, 15785500, 31571000]

約数ペア:

[(1, 31571000), (2, 15785500), (4, 7892750), (5, 6314200), (8, 3946375), (10, 3157100), (20, 1578550), (25, 1262840), (40, 789275), (50, 631420), (100, 315710), (125, 252568), (131, 241000), (200, 157855), (241, 131000), (250, 126284), (262, 120500), (482, 65500), (500, 63142), (524, 60250), (655, 48200), (964, 32750), (1000, 31571), (1048, 30125), (1205, 26200), (1310, 24100), (1928, 16375), (2410, 13100), (2620, 12050), (3275, 9640), (4820, 6550), (5240, 6025)]