40210780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{521}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 89976096

約数和(自身を除く): 49765316

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 227, 340, 454, 521, 908, 1042, 1135, 2084, 2270, 2605, 3859, 4540, 5210, 7718, 8857, 10420, 15436, 17714, 19295, 35428, 38590, 44285, 77180, 88570, 118267, 177140, 236534, 473068, 591335, 1182670, 2010539, 2365340, 4021078, 8042156, 10052695, 20105390, 40210780]

約数ペア:

[(1, 40210780), (2, 20105390), (4, 10052695), (5, 8042156), (10, 4021078), (17, 2365340), (20, 2010539), (34, 1182670), (68, 591335), (85, 473068), (170, 236534), (227, 177140), (340, 118267), (454, 88570), (521, 77180), (908, 44285), (1042, 38590), (1135, 35428), (2084, 19295), (2270, 17714), (2605, 15436), (3859, 10420), (4540, 8857), (5210, 7718)]