80491328

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{443}}^1$

素因数の和:639

約数の個数: 56

約数和(自身を含む): 170517312

約数和(自身を除く): 90025984

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 167, 272, 334, 443, 544, 668, 886, 1088, 1336, 1772, 2672, 2839, 3544, 5344, 5678, 7088, 7531, 10688, 11356, 14176, 15062, 22712, 28352, 30124, 45424, 60248, 73981, 90848, 120496, 147962, 181696, 240992, 295924, 481984, 591848, 1183696, 1257677, 2367392, 2515354, 4734784, 5030708, 10061416, 20122832, 40245664, 80491328]

約数ペア:

[(1, 80491328), (2, 40245664), (4, 20122832), (8, 10061416), (16, 5030708), (17, 4734784), (32, 2515354), (34, 2367392), (64, 1257677), (68, 1183696), (136, 591848), (167, 481984), (272, 295924), (334, 240992), (443, 181696), (544, 147962), (668, 120496), (886, 90848), (1088, 73981), (1336, 60248), (1772, 45424), (2672, 30124), (2839, 28352), (3544, 22712), (5344, 15062), (5678, 14176), (7088, 11356), (7531, 10688)]