829127560

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{232901}}^1$

素因数の和:233001

約数の個数: 32

約数和(自身を含む): 1886506200

約数和(自身を除く): 1057378640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 232901, 465802, 931604, 1164505, 1863208, 2329010, 4658020, 9316040, 20728189, 41456378, 82912756, 103640945, 165825512, 207281890, 414563780, 829127560]

約数ペア:

[(1, 829127560), (2, 414563780), (4, 207281890), (5, 165825512), (8, 103640945), (10, 82912756), (20, 41456378), (40, 20728189), (89, 9316040), (178, 4658020), (356, 2329010), (445, 1863208), (712, 1164505), (890, 931604), (1780, 465802), (3560, 232901)]