1616240

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:329

約数の個数: 40

約数和(自身を含む): 3816720

約数和(自身を除く): 2200480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 227, 356, 445, 454, 712, 890, 908, 1135, 1424, 1780, 1816, 2270, 3560, 3632, 4540, 7120, 9080, 18160, 20203, 40406, 80812, 101015, 161624, 202030, 323248, 404060, 808120, 1616240]

約数ペア:

[(1, 1616240), (2, 808120), (4, 404060), (5, 323248), (8, 202030), (10, 161624), (16, 101015), (20, 80812), (40, 40406), (80, 20203), (89, 18160), (178, 9080), (227, 7120), (356, 4540), (445, 3632), (454, 3560), (712, 2270), (890, 1816), (908, 1780), (1135, 1424)]