888928120

素因数分解:

$2^3\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{13829}}^1$

素因数の和:15447

約数の個数: 32

約数和(自身を含む): 2001477600

約数和(自身を除く): 1112549480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1607, 3214, 6428, 8035, 12856, 13829, 16070, 27658, 32140, 55316, 64280, 69145, 110632, 138290, 276580, 553160, 22223203, 44446406, 88892812, 111116015, 177785624, 222232030, 444464060, 888928120]

約数ペア:

[(1, 888928120), (2, 444464060), (4, 222232030), (5, 177785624), (8, 111116015), (10, 88892812), (20, 44446406), (40, 22223203), (1607, 553160), (3214, 276580), (6428, 138290), (8035, 110632), (12856, 69145), (13829, 64280), (16070, 55316), (27658, 32140)]