11112880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4481}}^1$

素因数の和:4525

約数の個数: 40

約数和(自身を含む): 26676864

約数和(自身を除く): 15563984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 4481, 8962, 17924, 22405, 35848, 44810, 71696, 89620, 138911, 179240, 277822, 358480, 555644, 694555, 1111288, 1389110, 2222576, 2778220, 5556440, 11112880]

約数ペア:

[(1, 11112880), (2, 5556440), (4, 2778220), (5, 2222576), (8, 1389110), (10, 1111288), (16, 694555), (20, 555644), (31, 358480), (40, 277822), (62, 179240), (80, 138911), (124, 89620), (155, 71696), (248, 44810), (310, 35848), (496, 22405), (620, 17924), (1240, 8962), (2480, 4481)]