25283000

素因数分解:

$2^3\times 5^3\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 59922720

約数和(自身を除く): 34639720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 131, 193, 200, 250, 262, 386, 500, 524, 655, 772, 965, 1000, 1048, 1310, 1544, 1930, 2620, 3275, 3860, 4825, 5240, 6550, 7720, 9650, 13100, 16375, 19300, 24125, 25283, 26200, 32750, 38600, 48250, 50566, 65500, 96500, 101132, 126415, 131000, 193000, 202264, 252830, 505660, 632075, 1011320, 1264150, 2528300, 3160375, 5056600, 6320750, 12641500, 25283000]

約数ペア:

[(1, 25283000), (2, 12641500), (4, 6320750), (5, 5056600), (8, 3160375), (10, 2528300), (20, 1264150), (25, 1011320), (40, 632075), (50, 505660), (100, 252830), (125, 202264), (131, 193000), (193, 131000), (200, 126415), (250, 101132), (262, 96500), (386, 65500), (500, 50566), (524, 48250), (655, 38600), (772, 32750), (965, 26200), (1000, 25283), (1048, 24125), (1310, 19300), (1544, 16375), (1930, 13100), (2620, 9650), (3275, 7720), (3860, 6550), (4825, 5240)]