40281220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2689}}^1$

素因数の和:2812

約数の個数: 48

約数和(自身を含む): 97614720

約数和(自身を除く): 57333500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2689, 2996, 3745, 5378, 7490, 10756, 13445, 14980, 18823, 26890, 37646, 53780, 75292, 94115, 188230, 287723, 376460, 575446, 1150892, 1438615, 2014061, 2877230, 4028122, 5754460, 8056244, 10070305, 20140610, 40281220]

約数ペア:

[(1, 40281220), (2, 20140610), (4, 10070305), (5, 8056244), (7, 5754460), (10, 4028122), (14, 2877230), (20, 2014061), (28, 1438615), (35, 1150892), (70, 575446), (107, 376460), (140, 287723), (214, 188230), (428, 94115), (535, 75292), (749, 53780), (1070, 37646), (1498, 26890), (2140, 18823), (2689, 14980), (2996, 13445), (3745, 10756), (5378, 7490)]