38739760

素因数分解:

$2^4\times 5^1\times {\mathrm{683}}^1\times {\mathrm{709}}^1$

素因数の和:1405

約数の個数: 40

約数和(自身を含む): 90329040

約数和(自身を除く): 51589280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 683, 709, 1366, 1418, 2732, 2836, 3415, 3545, 5464, 5672, 6830, 7090, 10928, 11344, 13660, 14180, 27320, 28360, 54640, 56720, 484247, 968494, 1936988, 2421235, 3873976, 4842470, 7747952, 9684940, 19369880, 38739760]

約数ペア:

[(1, 38739760), (2, 19369880), (4, 9684940), (5, 7747952), (8, 4842470), (10, 3873976), (16, 2421235), (20, 1936988), (40, 968494), (80, 484247), (683, 56720), (709, 54640), (1366, 28360), (1418, 27320), (2732, 14180), (2836, 13660), (3415, 11344), (3545, 10928), (5464, 7090), (5672, 6830)]