8640896

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:80

約数の個数: 96

約数和(自身を含む): 20985480

約数和(自身を除く): 12344584

約数列:

[1, 2, 4, 8, 11, 16, 17, 19, 22, 32, 34, 38, 44, 64, 68, 76, 88, 128, 136, 152, 176, 187, 209, 272, 304, 323, 352, 361, 374, 418, 544, 608, 646, 704, 722, 748, 836, 1088, 1216, 1292, 1408, 1444, 1496, 1672, 2176, 2432, 2584, 2888, 2992, 3344, 3553, 3971, 5168, 5776, 5984, 6137, 6688, 7106, 7942, 10336, 11552, 11968, 12274, 13376, 14212, 15884, 20672, 23104, 23936, 24548, 26752, 28424, 31768, 41344, 46208, 49096, 56848, 63536, 67507, 98192, 113696, 127072, 135014, 196384, 227392, 254144, 270028, 392768, 454784, 508288, 540056, 785536, 1080112, 2160224, 4320448, 8640896]

約数ペア:

[(1, 8640896), (2, 4320448), (4, 2160224), (8, 1080112), (11, 785536), (16, 540056), (17, 508288), (19, 454784), (22, 392768), (32, 270028), (34, 254144), (38, 227392), (44, 196384), (64, 135014), (68, 127072), (76, 113696), (88, 98192), (128, 67507), (136, 63536), (152, 56848), (176, 49096), (187, 46208), (209, 41344), (272, 31768), (304, 28424), (323, 26752), (352, 24548), (361, 23936), (374, 23104), (418, 20672), (544, 15884), (608, 14212), (646, 13376), (704, 12274), (722, 11968), (748, 11552), (836, 10336), (1088, 7942), (1216, 7106), (1292, 6688), (1408, 6137), (1444, 5984), (1496, 5776), (1672, 5168), (2176, 3971), (2432, 3553), (2584, 3344), (2888, 2992)]