22719280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9161}}^1$

素因数の和:9205

約数の個数: 40

約数和(自身を含む): 54532224

約数和(自身を除く): 31812944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 9161, 18322, 36644, 45805, 73288, 91610, 146576, 183220, 283991, 366440, 567982, 732880, 1135964, 1419955, 2271928, 2839910, 4543856, 5679820, 11359640, 22719280]

約数ペア:

[(1, 22719280), (2, 11359640), (4, 5679820), (5, 4543856), (8, 2839910), (10, 2271928), (16, 1419955), (20, 1135964), (31, 732880), (40, 567982), (62, 366440), (80, 283991), (124, 183220), (155, 146576), (248, 91610), (310, 73288), (496, 45805), (620, 36644), (1240, 18322), (2480, 9161)]