80931968

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2861}}^1$

素因数の和:2905

約数の個数: 64

約数和(自身を含む): 183912120

約数和(自身を除く): 102980152

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 272, 416, 442, 544, 832, 884, 1088, 1664, 1768, 2176, 2861, 3536, 5722, 7072, 11444, 14144, 22888, 28288, 37193, 45776, 48637, 74386, 91552, 97274, 148772, 183104, 194548, 297544, 366208, 389096, 595088, 632281, 778192, 1190176, 1264562, 1556384, 2380352, 2529124, 3112768, 4760704, 5058248, 6225536, 10116496, 20232992, 40465984, 80931968]

約数ペア:

[(1, 80931968), (2, 40465984), (4, 20232992), (8, 10116496), (13, 6225536), (16, 5058248), (17, 4760704), (26, 3112768), (32, 2529124), (34, 2380352), (52, 1556384), (64, 1264562), (68, 1190176), (104, 778192), (128, 632281), (136, 595088), (208, 389096), (221, 366208), (272, 297544), (416, 194548), (442, 183104), (544, 148772), (832, 97274), (884, 91552), (1088, 74386), (1664, 48637), (1768, 45776), (2176, 37193), (2861, 28288), (3536, 22888), (5722, 14144), (7072, 11444)]