79536320

素因数分解:

$2^6\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1249}}^1$

素因数の和:1465

約数の個数: 56

約数和(自身を含む): 190500000

約数和(自身を除く): 110963680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 199, 320, 398, 796, 995, 1249, 1592, 1990, 2498, 3184, 3980, 4996, 6245, 6368, 7960, 9992, 12490, 12736, 15920, 19984, 24980, 31840, 39968, 49960, 63680, 79936, 99920, 199840, 248551, 399680, 497102, 994204, 1242755, 1988408, 2485510, 3976816, 4971020, 7953632, 9942040, 15907264, 19884080, 39768160, 79536320]

約数ペア:

[(1, 79536320), (2, 39768160), (4, 19884080), (5, 15907264), (8, 9942040), (10, 7953632), (16, 4971020), (20, 3976816), (32, 2485510), (40, 1988408), (64, 1242755), (80, 994204), (160, 497102), (199, 399680), (320, 248551), (398, 199840), (796, 99920), (995, 79936), (1249, 63680), (1592, 49960), (1990, 39968), (2498, 31840), (3184, 24980), (3980, 19984), (4996, 15920), (6245, 12736), (6368, 12490), (7960, 9992)]