79942400

素因数分解:

$2^8\times 5^2\times {\mathrm{12491}}^1$

素因数の和:12517

約数の個数: 54

約数和(自身を含む): 197885772

約数和(自身を除く): 117943372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 12491, 24982, 49964, 62455, 99928, 124910, 199856, 249820, 312275, 399712, 499640, 624550, 799424, 999280, 1249100, 1598848, 1998560, 2498200, 3197696, 3997120, 4996400, 7994240, 9992800, 15988480, 19985600, 39971200, 79942400]

約数ペア:

[(1, 79942400), (2, 39971200), (4, 19985600), (5, 15988480), (8, 9992800), (10, 7994240), (16, 4996400), (20, 3997120), (25, 3197696), (32, 2498200), (40, 1998560), (50, 1598848), (64, 1249100), (80, 999280), (100, 799424), (128, 624550), (160, 499640), (200, 399712), (256, 312275), (320, 249820), (400, 199856), (640, 124910), (800, 99928), (1280, 62455), (1600, 49964), (3200, 24982), (6400, 12491)]