80142244

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:545

約数の個数: 72

約数和(自身を含む): 178573248

約数和(自身を除く): 98431004

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 71, 91, 98, 142, 182, 196, 284, 364, 443, 497, 637, 886, 923, 994, 1274, 1772, 1846, 1988, 2548, 3101, 3479, 3692, 5759, 6202, 6461, 6958, 11518, 12404, 12922, 13916, 21707, 23036, 25844, 31453, 40313, 43414, 45227, 62906, 80626, 86828, 90454, 125812, 161252, 180908, 220171, 282191, 408889, 440342, 564382, 817778, 880684, 1128764, 1541197, 1635556, 2862223, 3082394, 5724446, 6164788, 11448892, 20035561, 40071122, 80142244]

約数ペア:

[(1, 80142244), (2, 40071122), (4, 20035561), (7, 11448892), (13, 6164788), (14, 5724446), (26, 3082394), (28, 2862223), (49, 1635556), (52, 1541197), (71, 1128764), (91, 880684), (98, 817778), (142, 564382), (182, 440342), (196, 408889), (284, 282191), (364, 220171), (443, 180908), (497, 161252), (637, 125812), (886, 90454), (923, 86828), (994, 80626), (1274, 62906), (1772, 45227), (1846, 43414), (1988, 40313), (2548, 31453), (3101, 25844), (3479, 23036), (3692, 21707), (5759, 13916), (6202, 12922), (6461, 12404), (6958, 11518)]