8051540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{199}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 20630400

約数和(自身を除く): 12578860

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 199, 238, 289, 340, 398, 476, 578, 595, 796, 995, 1156, 1190, 1393, 1445, 1990, 2023, 2380, 2786, 2890, 3383, 3980, 4046, 5572, 5780, 6766, 6965, 8092, 10115, 13532, 13930, 16915, 20230, 23681, 27860, 33830, 40460, 47362, 57511, 67660, 94724, 115022, 118405, 230044, 236810, 287555, 402577, 473620, 575110, 805154, 1150220, 1610308, 2012885, 4025770, 8051540]

約数ペア:

[(1, 8051540), (2, 4025770), (4, 2012885), (5, 1610308), (7, 1150220), (10, 805154), (14, 575110), (17, 473620), (20, 402577), (28, 287555), (34, 236810), (35, 230044), (68, 118405), (70, 115022), (85, 94724), (119, 67660), (140, 57511), (170, 47362), (199, 40460), (238, 33830), (289, 27860), (340, 23681), (398, 20230), (476, 16915), (578, 13930), (595, 13532), (796, 10115), (995, 8092), (1156, 6965), (1190, 6766), (1393, 5780), (1445, 5572), (1990, 4046), (2023, 3980), (2380, 3383), (2786, 2890)]