28073120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10321}}^1$

素因数の和:10353

約数の個数: 48

約数和(自身を含む): 70230888

約数和(自身を除く): 42157768

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 10321, 20642, 41284, 51605, 82568, 103210, 165136, 175457, 206420, 330272, 350914, 412840, 701828, 825680, 877285, 1403656, 1651360, 1754570, 2807312, 3509140, 5614624, 7018280, 14036560, 28073120]

約数ペア:

[(1, 28073120), (2, 14036560), (4, 7018280), (5, 5614624), (8, 3509140), (10, 2807312), (16, 1754570), (17, 1651360), (20, 1403656), (32, 877285), (34, 825680), (40, 701828), (68, 412840), (80, 350914), (85, 330272), (136, 206420), (160, 175457), (170, 165136), (272, 103210), (340, 82568), (544, 51605), (680, 41284), (1360, 20642), (2720, 10321)]