25689160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3989}}^1$

素因数の和:4030

約数の個数: 64

約数和(自身を含む): 68947200

約数和(自身を除く): 43258040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 3989, 6440, 7978, 15956, 19945, 27923, 31912, 39890, 55846, 79780, 91747, 111692, 139615, 159560, 183494, 223384, 279230, 366988, 458735, 558460, 642229, 733976, 917470, 1116920, 1284458, 1834940, 2568916, 3211145, 3669880, 5137832, 6422290, 12844580, 25689160]

約数ペア:

[(1, 25689160), (2, 12844580), (4, 6422290), (5, 5137832), (7, 3669880), (8, 3211145), (10, 2568916), (14, 1834940), (20, 1284458), (23, 1116920), (28, 917470), (35, 733976), (40, 642229), (46, 558460), (56, 458735), (70, 366988), (92, 279230), (115, 223384), (140, 183494), (161, 159560), (184, 139615), (230, 111692), (280, 91747), (322, 79780), (460, 55846), (644, 39890), (805, 31912), (920, 27923), (1288, 19945), (1610, 15956), (3220, 7978), (3989, 6440)]