40720484

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1091}}^1$

素因数の和:1176

約数の個数: 48

約数和(自身を含む): 86102016

約数和(自身を除く): 45381532

約数列:

[1, 2, 4, 7, 14, 28, 31, 43, 62, 86, 124, 172, 217, 301, 434, 602, 868, 1091, 1204, 1333, 2182, 2666, 4364, 5332, 7637, 9331, 15274, 18662, 30548, 33821, 37324, 46913, 67642, 93826, 135284, 187652, 236747, 328391, 473494, 656782, 946988, 1313564, 1454303, 2908606, 5817212, 10180121, 20360242, 40720484]

約数ペア:

[(1, 40720484), (2, 20360242), (4, 10180121), (7, 5817212), (14, 2908606), (28, 1454303), (31, 1313564), (43, 946988), (62, 656782), (86, 473494), (124, 328391), (172, 236747), (217, 187652), (301, 135284), (434, 93826), (602, 67642), (868, 46913), (1091, 37324), (1204, 33821), (1333, 30548), (2182, 18662), (2666, 15274), (4364, 9331), (5332, 7637)]