1388560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1021}}^1$

素因数の和:1051

約数の個数: 40

約数和(自身を含む): 3421656

約数和(自身を除く): 2033096

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1021, 1360, 2042, 4084, 5105, 8168, 10210, 16336, 17357, 20420, 34714, 40840, 69428, 81680, 86785, 138856, 173570, 277712, 347140, 694280, 1388560]

約数ペア:

[(1, 1388560), (2, 694280), (4, 347140), (5, 277712), (8, 173570), (10, 138856), (16, 86785), (17, 81680), (20, 69428), (34, 40840), (40, 34714), (68, 20420), (80, 17357), (85, 16336), (136, 10210), (170, 8168), (272, 5105), (340, 4084), (680, 2042), (1021, 1360)]