4240040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{797}}^1$

素因数の和:834

約数の個数: 64

約数和(自身を含む): 11491200

約数和(自身を除く): 7251160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 797, 1064, 1330, 1594, 2660, 3188, 3985, 5320, 5579, 6376, 7970, 11158, 15143, 15940, 22316, 27895, 30286, 31880, 44632, 55790, 60572, 75715, 106001, 111580, 121144, 151430, 212002, 223160, 302860, 424004, 530005, 605720, 848008, 1060010, 2120020, 4240040]

約数ペア:

[(1, 4240040), (2, 2120020), (4, 1060010), (5, 848008), (7, 605720), (8, 530005), (10, 424004), (14, 302860), (19, 223160), (20, 212002), (28, 151430), (35, 121144), (38, 111580), (40, 106001), (56, 75715), (70, 60572), (76, 55790), (95, 44632), (133, 31880), (140, 30286), (152, 27895), (190, 22316), (266, 15940), (280, 15143), (380, 11158), (532, 7970), (665, 6376), (760, 5579), (797, 5320), (1064, 3985), (1330, 3188), (1594, 2660)]