50797000

素因数分解:

$2^3\times 5^3\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:743

約数の個数: 64

約数和(自身を含む): 120556800

約数和(自身を除く): 69759800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 125, 158, 200, 250, 316, 395, 500, 632, 643, 790, 1000, 1286, 1580, 1975, 2572, 3160, 3215, 3950, 5144, 6430, 7900, 9875, 12860, 15800, 16075, 19750, 25720, 32150, 39500, 50797, 64300, 79000, 80375, 101594, 128600, 160750, 203188, 253985, 321500, 406376, 507970, 643000, 1015940, 1269925, 2031880, 2539850, 5079700, 6349625, 10159400, 12699250, 25398500, 50797000]

約数ペア:

[(1, 50797000), (2, 25398500), (4, 12699250), (5, 10159400), (8, 6349625), (10, 5079700), (20, 2539850), (25, 2031880), (40, 1269925), (50, 1015940), (79, 643000), (100, 507970), (125, 406376), (158, 321500), (200, 253985), (250, 203188), (316, 160750), (395, 128600), (500, 101594), (632, 80375), (643, 79000), (790, 64300), (1000, 50797), (1286, 39500), (1580, 32150), (1975, 25720), (2572, 19750), (3160, 16075), (3215, 15800), (3950, 12860), (5144, 9875), (6430, 7900)]