40938340

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 88284672

約数和(自身を除く): 47346332

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 137, 223, 268, 274, 335, 446, 548, 670, 685, 892, 1115, 1340, 1370, 2230, 2740, 4460, 9179, 14941, 18358, 29882, 30551, 36716, 45895, 59764, 61102, 74705, 91790, 122204, 149410, 152755, 183580, 298820, 305510, 611020, 2046917, 4093834, 8187668, 10234585, 20469170, 40938340]

約数ペア:

[(1, 40938340), (2, 20469170), (4, 10234585), (5, 8187668), (10, 4093834), (20, 2046917), (67, 611020), (134, 305510), (137, 298820), (223, 183580), (268, 152755), (274, 149410), (335, 122204), (446, 91790), (548, 74705), (670, 61102), (685, 59764), (892, 45895), (1115, 36716), (1340, 30551), (1370, 29882), (2230, 18358), (2740, 14941), (4460, 9179)]