40891228

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 84369600

約数和(自身を除く): 43478372

約数列:

[1, 2, 4, 7, 14, 28, 61, 89, 122, 178, 244, 269, 356, 427, 538, 623, 854, 1076, 1246, 1708, 1883, 2492, 3766, 5429, 7532, 10858, 16409, 21716, 23941, 32818, 38003, 47882, 65636, 76006, 95764, 114863, 152012, 167587, 229726, 335174, 459452, 670348, 1460401, 2920802, 5841604, 10222807, 20445614, 40891228]

約数ペア:

[(1, 40891228), (2, 20445614), (4, 10222807), (7, 5841604), (14, 2920802), (28, 1460401), (61, 670348), (89, 459452), (122, 335174), (178, 229726), (244, 167587), (269, 152012), (356, 114863), (427, 95764), (538, 76006), (623, 65636), (854, 47882), (1076, 38003), (1246, 32818), (1708, 23941), (1883, 21716), (2492, 16409), (3766, 10858), (5429, 7532)]