72201580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1277}}^1$

素因数の和:1554

約数の個数: 48

約数和(自身を含む): 166180896

約数和(自身を除く): 93979316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 257, 514, 1028, 1277, 1285, 2554, 2570, 2827, 5108, 5140, 5654, 6385, 11308, 12770, 14047, 14135, 25540, 28094, 28270, 56188, 56540, 70235, 140470, 280940, 328189, 656378, 1312756, 1640945, 3281890, 3610079, 6563780, 7220158, 14440316, 18050395, 36100790, 72201580]

約数ペア:

[(1, 72201580), (2, 36100790), (4, 18050395), (5, 14440316), (10, 7220158), (11, 6563780), (20, 3610079), (22, 3281890), (44, 1640945), (55, 1312756), (110, 656378), (220, 328189), (257, 280940), (514, 140470), (1028, 70235), (1277, 56540), (1285, 56188), (2554, 28270), (2570, 28094), (2827, 25540), (5108, 14135), (5140, 14047), (5654, 12770), (6385, 11308)]