15897440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7643}}^1$

素因数の和:7671

約数の個数: 48

約数和(自身を含む): 40452048

約数和(自身を除く): 24554608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 7643, 15286, 30572, 38215, 61144, 76430, 99359, 122288, 152860, 198718, 244576, 305720, 397436, 496795, 611440, 794872, 993590, 1222880, 1589744, 1987180, 3179488, 3974360, 7948720, 15897440]

約数ペア:

[(1, 15897440), (2, 7948720), (4, 3974360), (5, 3179488), (8, 1987180), (10, 1589744), (13, 1222880), (16, 993590), (20, 794872), (26, 611440), (32, 496795), (40, 397436), (52, 305720), (65, 244576), (80, 198718), (104, 152860), (130, 122288), (160, 99359), (208, 76430), (260, 61144), (416, 38215), (520, 30572), (1040, 15286), (2080, 7643)]