5431840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1997}}^1$

素因数の和:2029

約数の個数: 48

約数和(自身を含む): 13594392

約数和(自身を除く): 8162552

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 1997, 2720, 3994, 7988, 9985, 15976, 19970, 31952, 33949, 39940, 63904, 67898, 79880, 135796, 159760, 169745, 271592, 319520, 339490, 543184, 678980, 1086368, 1357960, 2715920, 5431840]

約数ペア:

[(1, 5431840), (2, 2715920), (4, 1357960), (5, 1086368), (8, 678980), (10, 543184), (16, 339490), (17, 319520), (20, 271592), (32, 169745), (34, 159760), (40, 135796), (68, 79880), (80, 67898), (85, 63904), (136, 39940), (160, 33949), (170, 31952), (272, 19970), (340, 15976), (544, 9985), (680, 7988), (1360, 3994), (1997, 2720)]