23980540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{281}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 53724384

約数和(自身を除く): 29743844

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 251, 281, 340, 502, 562, 1004, 1124, 1255, 1405, 2510, 2810, 4267, 4777, 5020, 5620, 8534, 9554, 17068, 19108, 21335, 23885, 42670, 47770, 70531, 85340, 95540, 141062, 282124, 352655, 705310, 1199027, 1410620, 2398054, 4796108, 5995135, 11990270, 23980540]

約数ペア:

[(1, 23980540), (2, 11990270), (4, 5995135), (5, 4796108), (10, 2398054), (17, 1410620), (20, 1199027), (34, 705310), (68, 352655), (85, 282124), (170, 141062), (251, 95540), (281, 85340), (340, 70531), (502, 47770), (562, 42670), (1004, 23885), (1124, 21335), (1255, 19108), (1405, 17068), (2510, 9554), (2810, 8534), (4267, 5620), (4777, 5020)]