74771440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{54979}}^1$

素因数の和:55009

約数の個数: 40

約数和(自身を含む): 184073040

約数和(自身を除く): 109301600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 54979, 109958, 219916, 274895, 439832, 549790, 879664, 934643, 1099580, 1869286, 2199160, 3738572, 4398320, 4673215, 7477144, 9346430, 14954288, 18692860, 37385720, 74771440]

約数ペア:

[(1, 74771440), (2, 37385720), (4, 18692860), (5, 14954288), (8, 9346430), (10, 7477144), (16, 4673215), (17, 4398320), (20, 3738572), (34, 2199160), (40, 1869286), (68, 1099580), (80, 934643), (85, 879664), (136, 549790), (170, 439832), (272, 274895), (340, 219916), (680, 109958), (1360, 54979)]