39746980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21839}}^1$

素因数の和:21868

約数の個数: 48

約数和(自身を含む): 102735360

約数和(自身を除く): 62988380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 21839, 43678, 87356, 109195, 152873, 218390, 283907, 305746, 436780, 567814, 611492, 764365, 1135628, 1419535, 1528730, 1987349, 2839070, 3057460, 3974698, 5678140, 7949396, 9936745, 19873490, 39746980]

約数ペア:

[(1, 39746980), (2, 19873490), (4, 9936745), (5, 7949396), (7, 5678140), (10, 3974698), (13, 3057460), (14, 2839070), (20, 1987349), (26, 1528730), (28, 1419535), (35, 1135628), (52, 764365), (65, 611492), (70, 567814), (91, 436780), (130, 305746), (140, 283907), (182, 218390), (260, 152873), (364, 109195), (455, 87356), (910, 43678), (1820, 21839)]