1313440040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{787}}^1\times {\mathrm{3793}}^1$

素因数の和:4602

約数の個数: 64

約数和(自身を含む): 3228845760

約数和(自身を除く): 1915405720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 787, 1574, 3148, 3793, 3935, 6296, 7586, 7870, 8657, 15172, 15740, 17314, 18965, 30344, 31480, 34628, 37930, 41723, 43285, 69256, 75860, 83446, 86570, 151720, 166892, 173140, 208615, 333784, 346280, 417230, 834460, 1668920, 2985091, 5970182, 11940364, 14925455, 23880728, 29850910, 32836001, 59701820, 65672002, 119403640, 131344004, 164180005, 262688008, 328360010, 656720020, 1313440040]

約数ペア:

[(1, 1313440040), (2, 656720020), (4, 328360010), (5, 262688008), (8, 164180005), (10, 131344004), (11, 119403640), (20, 65672002), (22, 59701820), (40, 32836001), (44, 29850910), (55, 23880728), (88, 14925455), (110, 11940364), (220, 5970182), (440, 2985091), (787, 1668920), (1574, 834460), (3148, 417230), (3793, 346280), (3935, 333784), (6296, 208615), (7586, 173140), (7870, 166892), (8657, 151720), (15172, 86570), (15740, 83446), (17314, 75860), (18965, 69256), (30344, 43285), (31480, 41723), (34628, 37930)]