51443560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{683}}^1$

素因数の和:970

約数の個数: 64

約数和(自身を含む): 132969600

約数和(自身を除く): 81526040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 269, 280, 538, 683, 1076, 1345, 1366, 1883, 2152, 2690, 2732, 3415, 3766, 4781, 5380, 5464, 6830, 7532, 9415, 9562, 10760, 13660, 15064, 18830, 19124, 23905, 27320, 37660, 38248, 47810, 75320, 95620, 183727, 191240, 367454, 734908, 918635, 1286089, 1469816, 1837270, 2572178, 3674540, 5144356, 6430445, 7349080, 10288712, 12860890, 25721780, 51443560]

約数ペア:

[(1, 51443560), (2, 25721780), (4, 12860890), (5, 10288712), (7, 7349080), (8, 6430445), (10, 5144356), (14, 3674540), (20, 2572178), (28, 1837270), (35, 1469816), (40, 1286089), (56, 918635), (70, 734908), (140, 367454), (269, 191240), (280, 183727), (538, 95620), (683, 75320), (1076, 47810), (1345, 38248), (1366, 37660), (1883, 27320), (2152, 23905), (2690, 19124), (2732, 18830), (3415, 15064), (3766, 13660), (4781, 10760), (5380, 9562), (5464, 9415), (6830, 7532)]