13215460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{827}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 30046464

約数和(自身を除く): 16831004

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 827, 940, 1598, 1654, 3196, 3308, 3995, 4135, 7990, 8270, 14059, 15980, 16540, 28118, 38869, 56236, 70295, 77738, 140590, 155476, 194345, 281180, 388690, 660773, 777380, 1321546, 2643092, 3303865, 6607730, 13215460]

約数ペア:

[(1, 13215460), (2, 6607730), (4, 3303865), (5, 2643092), (10, 1321546), (17, 777380), (20, 660773), (34, 388690), (47, 281180), (68, 194345), (85, 155476), (94, 140590), (170, 77738), (188, 70295), (235, 56236), (340, 38869), (470, 28118), (799, 16540), (827, 15980), (940, 14059), (1598, 8270), (1654, 7990), (3196, 4135), (3308, 3995)]