7400720

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1171}}^1$

素因数の和:1263

約数の個数: 40

約数和(自身を含む): 17439360

約数和(自身を除く): 10038640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1171, 1264, 1580, 2342, 3160, 4684, 5855, 6320, 9368, 11710, 18736, 23420, 46840, 92509, 93680, 185018, 370036, 462545, 740072, 925090, 1480144, 1850180, 3700360, 7400720]

約数ペア:

[(1, 7400720), (2, 3700360), (4, 1850180), (5, 1480144), (8, 925090), (10, 740072), (16, 462545), (20, 370036), (40, 185018), (79, 93680), (80, 92509), (158, 46840), (316, 23420), (395, 18736), (632, 11710), (790, 9368), (1171, 6320), (1264, 5855), (1580, 4684), (2342, 3160)]