38700220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2039}}^1$

素因数の和:2134

約数の個数: 48

約数和(自身を含む): 88764480

約数和(自身を除く): 50064260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 2039, 3796, 4078, 4745, 8156, 9490, 10195, 18980, 20390, 26507, 40780, 53014, 106028, 132535, 148847, 265070, 297694, 530140, 595388, 744235, 1488470, 1935011, 2976940, 3870022, 7740044, 9675055, 19350110, 38700220]

約数ペア:

[(1, 38700220), (2, 19350110), (4, 9675055), (5, 7740044), (10, 3870022), (13, 2976940), (20, 1935011), (26, 1488470), (52, 744235), (65, 595388), (73, 530140), (130, 297694), (146, 265070), (260, 148847), (292, 132535), (365, 106028), (730, 53014), (949, 40780), (1460, 26507), (1898, 20390), (2039, 18980), (3796, 10195), (4078, 9490), (4745, 8156)]