16072880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6481}}^1$

素因数の和:6525

約数の個数: 40

約数和(自身を含む): 38580864

約数和(自身を除く): 22507984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 6481, 12962, 25924, 32405, 51848, 64810, 103696, 129620, 200911, 259240, 401822, 518480, 803644, 1004555, 1607288, 2009110, 3214576, 4018220, 8036440, 16072880]

約数ペア:

[(1, 16072880), (2, 8036440), (4, 4018220), (5, 3214576), (8, 2009110), (10, 1607288), (16, 1004555), (20, 803644), (31, 518480), (40, 401822), (62, 259240), (80, 200911), (124, 129620), (155, 103696), (248, 64810), (310, 51848), (496, 32405), (620, 25924), (1240, 12962), (2480, 6481)]