13163540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 30037392

約数和(自身を除く): 16873852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 197, 257, 260, 394, 514, 788, 985, 1028, 1285, 1970, 2561, 2570, 3341, 3940, 5122, 5140, 6682, 10244, 12805, 13364, 16705, 25610, 33410, 50629, 51220, 66820, 101258, 202516, 253145, 506290, 658177, 1012580, 1316354, 2632708, 3290885, 6581770, 13163540]

約数ペア:

[(1, 13163540), (2, 6581770), (4, 3290885), (5, 2632708), (10, 1316354), (13, 1012580), (20, 658177), (26, 506290), (52, 253145), (65, 202516), (130, 101258), (197, 66820), (257, 51220), (260, 50629), (394, 33410), (514, 25610), (788, 16705), (985, 13364), (1028, 12805), (1285, 10244), (1970, 6682), (2561, 5140), (2570, 5122), (3341, 3940)]