51771160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8039}}^1$

素因数の和:8080

約数の個数: 64

約数和(自身を含む): 138931200

約数和(自身を除く): 87160040

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, 6440, 8039, 16078, 32156, 40195, 56273, 64312, 80390, 112546, 160780, 184897, 225092, 281365, 321560, 369794, 450184, 562730, 739588, 924485, 1125460, 1294279, 1479176, 1848970, 2250920, 2588558, 3697940, 5177116, 6471395, 7395880, 10354232, 12942790, 25885580, 51771160]

約数ペア:

[(1, 51771160), (2, 25885580), (4, 12942790), (5, 10354232), (7, 7395880), (8, 6471395), (10, 5177116), (14, 3697940), (20, 2588558), (23, 2250920), (28, 1848970), (35, 1479176), (40, 1294279), (46, 1125460), (56, 924485), (70, 739588), (92, 562730), (115, 450184), (140, 369794), (161, 321560), (184, 281365), (230, 225092), (280, 184897), (322, 160780), (460, 112546), (644, 80390), (805, 64312), (920, 56273), (1288, 40195), (1610, 32156), (3220, 16078), (6440, 8039)]