39905290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 80061696

約数和(自身を除く): 40156406

約数列:

[1, 2, 5, 10, 17, 34, 43, 53, 85, 86, 103, 106, 170, 206, 215, 265, 430, 515, 530, 731, 901, 1030, 1462, 1751, 1802, 2279, 3502, 3655, 4429, 4505, 4558, 5459, 7310, 8755, 8858, 9010, 10918, 11395, 17510, 22145, 22790, 27295, 38743, 44290, 54590, 75293, 77486, 92803, 150586, 185606, 193715, 234737, 376465, 387430, 464015, 469474, 752930, 928030, 1173685, 2347370, 3990529, 7981058, 19952645, 39905290]

約数ペア:

[(1, 39905290), (2, 19952645), (5, 7981058), (10, 3990529), (17, 2347370), (34, 1173685), (43, 928030), (53, 752930), (85, 469474), (86, 464015), (103, 387430), (106, 376465), (170, 234737), (206, 193715), (215, 185606), (265, 150586), (430, 92803), (515, 77486), (530, 75293), (731, 54590), (901, 44290), (1030, 38743), (1462, 27295), (1751, 22790), (1802, 22145), (2279, 17510), (3502, 11395), (3655, 10918), (4429, 9010), (4505, 8858), (4558, 8755), (5459, 7310)]