50881280

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 123228672

約数和(自身を除く): 72347392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 313, 320, 508, 626, 635, 640, 1016, 1252, 1270, 1280, 1565, 2032, 2504, 2540, 3130, 4064, 5008, 5080, 6260, 8128, 10016, 10160, 12520, 16256, 20032, 20320, 25040, 32512, 39751, 40064, 40640, 50080, 79502, 80128, 81280, 100160, 159004, 162560, 198755, 200320, 318008, 397510, 400640, 636016, 795020, 1272032, 1590040, 2544064, 3180080, 5088128, 6360160, 10176256, 12720320, 25440640, 50881280]

約数ペア:

[(1, 50881280), (2, 25440640), (4, 12720320), (5, 10176256), (8, 6360160), (10, 5088128), (16, 3180080), (20, 2544064), (32, 1590040), (40, 1272032), (64, 795020), (80, 636016), (127, 400640), (128, 397510), (160, 318008), (254, 200320), (256, 198755), (313, 162560), (320, 159004), (508, 100160), (626, 81280), (635, 80128), (640, 79502), (1016, 50080), (1252, 40640), (1270, 40064), (1280, 39751), (1565, 32512), (2032, 25040), (2504, 20320), (2540, 20032), (3130, 16256), (4064, 12520), (5008, 10160), (5080, 10016), (6260, 8128)]