207825280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24979}}^1$

素因数の和:25011

約数の個数: 64

約数和(自身を含む): 535071600

約数和(自身を除く): 327246320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 24979, 49958, 99916, 124895, 199832, 249790, 324727, 399664, 499580, 649454, 799328, 999160, 1298908, 1598656, 1623635, 1998320, 2597816, 3197312, 3247270, 3996640, 5195632, 6494540, 7993280, 10391264, 12989080, 15986560, 20782528, 25978160, 41565056, 51956320, 103912640, 207825280]

約数ペア:

[(1, 207825280), (2, 103912640), (4, 51956320), (5, 41565056), (8, 25978160), (10, 20782528), (13, 15986560), (16, 12989080), (20, 10391264), (26, 7993280), (32, 6494540), (40, 5195632), (52, 3996640), (64, 3247270), (65, 3197312), (80, 2597816), (104, 1998320), (128, 1623635), (130, 1598656), (160, 1298908), (208, 999160), (260, 799328), (320, 649454), (416, 499580), (520, 399664), (640, 324727), (832, 249790), (1040, 199832), (1664, 124895), (2080, 99916), (4160, 49958), (8320, 24979)]