39880390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1433}}^1$

素因数の和:1485

約数の個数: 48

約数和(自身を含む): 82391904

約数和(自身を除く): 42511514

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 121, 230, 242, 253, 506, 605, 1210, 1265, 1433, 2530, 2783, 2866, 5566, 7165, 13915, 14330, 15763, 27830, 31526, 32959, 65918, 78815, 157630, 164795, 173393, 329590, 346786, 362549, 725098, 866965, 1733930, 1812745, 3625490, 3988039, 7976078, 19940195, 39880390]

約数ペア:

[(1, 39880390), (2, 19940195), (5, 7976078), (10, 3988039), (11, 3625490), (22, 1812745), (23, 1733930), (46, 866965), (55, 725098), (110, 362549), (115, 346786), (121, 329590), (230, 173393), (242, 164795), (253, 157630), (506, 78815), (605, 65918), (1210, 32959), (1265, 31526), (1433, 27830), (2530, 15763), (2783, 14330), (2866, 13915), (5566, 7165)]