38139760

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4219}}^1$

素因数の和:4345

約数の個数: 40

約数和(自身を含む): 89480880

約数和(自身を除く): 51341120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4219, 4520, 8438, 9040, 16876, 21095, 33752, 42190, 67504, 84380, 168760, 337520, 476747, 953494, 1906988, 2383735, 3813976, 4767470, 7627952, 9534940, 19069880, 38139760]

約数ペア:

[(1, 38139760), (2, 19069880), (4, 9534940), (5, 7627952), (8, 4767470), (10, 3813976), (16, 2383735), (20, 1906988), (40, 953494), (80, 476747), (113, 337520), (226, 168760), (452, 84380), (565, 67504), (904, 42190), (1130, 33752), (1808, 21095), (2260, 16876), (4219, 9040), (4520, 8438)]