1267720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{773}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 2925720

約数和(自身を除く): 1658000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 773, 820, 1546, 1640, 3092, 3865, 6184, 7730, 15460, 30920, 31693, 63386, 126772, 158465, 253544, 316930, 633860, 1267720]

約数ペア:

[(1, 1267720), (2, 633860), (4, 316930), (5, 253544), (8, 158465), (10, 126772), (20, 63386), (40, 31693), (41, 30920), (82, 15460), (164, 7730), (205, 6184), (328, 3865), (410, 3092), (773, 1640), (820, 1546)]