117288280

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{17989}}^1$

素因数の和:18163

約数の個数: 32

約数和(自身を含む): 265532400

約数和(自身を除く): 148244120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 17989, 35978, 71956, 89945, 143912, 179890, 359780, 719560, 2932207, 5864414, 11728828, 14661035, 23457656, 29322070, 58644140, 117288280]

約数ペア:

[(1, 117288280), (2, 58644140), (4, 29322070), (5, 23457656), (8, 14661035), (10, 11728828), (20, 5864414), (40, 2932207), (163, 719560), (326, 359780), (652, 179890), (815, 143912), (1304, 89945), (1630, 71956), (3260, 35978), (6520, 17989)]