74540720

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2347}}^1$

素因数の和:2757

約数の個数: 40

約数和(自身を含む): 173817744

約数和(自身を除く): 99277024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1588, 1985, 2347, 3176, 3970, 4694, 6352, 7940, 9388, 11735, 15880, 18776, 23470, 31760, 37552, 46940, 93880, 187760, 931759, 1863518, 3727036, 4658795, 7454072, 9317590, 14908144, 18635180, 37270360, 74540720]

約数ペア:

[(1, 74540720), (2, 37270360), (4, 18635180), (5, 14908144), (8, 9317590), (10, 7454072), (16, 4658795), (20, 3727036), (40, 1863518), (80, 931759), (397, 187760), (794, 93880), (1588, 46940), (1985, 37552), (2347, 31760), (3176, 23470), (3970, 18776), (4694, 15880), (6352, 11735), (7940, 9388)]