80627872

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{877}}^1$

素因数の和:930

約数の個数: 72

約数和(自身を含む): 182204316

約数和(自身を除く): 101576444

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 169, 208, 221, 272, 338, 416, 442, 544, 676, 877, 884, 1352, 1754, 1768, 2704, 2873, 3508, 3536, 5408, 5746, 7016, 7072, 11401, 11492, 14032, 14909, 22802, 22984, 28064, 29818, 45604, 45968, 59636, 91208, 91936, 119272, 148213, 182416, 193817, 238544, 296426, 364832, 387634, 477088, 592852, 775268, 1185704, 1550536, 2371408, 2519621, 3101072, 4742816, 5039242, 6202144, 10078484, 20156968, 40313936, 80627872]

約数ペア:

[(1, 80627872), (2, 40313936), (4, 20156968), (8, 10078484), (13, 6202144), (16, 5039242), (17, 4742816), (26, 3101072), (32, 2519621), (34, 2371408), (52, 1550536), (68, 1185704), (104, 775268), (136, 592852), (169, 477088), (208, 387634), (221, 364832), (272, 296426), (338, 238544), (416, 193817), (442, 182416), (544, 148213), (676, 119272), (877, 91936), (884, 91208), (1352, 59636), (1754, 45968), (1768, 45604), (2704, 29818), (2873, 28064), (3508, 22984), (3536, 22802), (5408, 14909), (5746, 14032), (7016, 11492), (7072, 11401)]