4278972160

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107837}}^1$

素因数の和:107889

約数の個数: 72

約数和(自身を含む): 10580201856

約数和(自身を除く): 6301229696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 107837, 215674, 431348, 539185, 862696, 1078370, 1725392, 2156740, 3342947, 3450784, 4313480, 6685894, 6901568, 8626960, 13371788, 13803136, 16714735, 17253920, 26743576, 27606272, 33429470, 34507840, 53487152, 66858940, 69015680, 106974304, 133717880, 138031360, 213948608, 267435760, 427897216, 534871520, 855794432, 1069743040, 2139486080, 4278972160]

約数ペア:

[(1, 4278972160), (2, 2139486080), (4, 1069743040), (5, 855794432), (8, 534871520), (10, 427897216), (16, 267435760), (20, 213948608), (31, 138031360), (32, 133717880), (40, 106974304), (62, 69015680), (64, 66858940), (80, 53487152), (124, 34507840), (128, 33429470), (155, 27606272), (160, 26743576), (248, 17253920), (256, 16714735), (310, 13803136), (320, 13371788), (496, 8626960), (620, 6901568), (640, 6685894), (992, 4313480), (1240, 3450784), (1280, 3342947), (1984, 2156740), (2480, 1725392), (3968, 1078370), (4960, 862696), (7936, 539185), (9920, 431348), (19840, 215674), (39680, 107837)]