38867440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28579}}^1$

素因数の和:28609

約数の個数: 40

約数和(自身を含む): 95685840

約数和(自身を除く): 56818400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 28579, 57158, 114316, 142895, 228632, 285790, 457264, 485843, 571580, 971686, 1143160, 1943372, 2286320, 2429215, 3886744, 4858430, 7773488, 9716860, 19433720, 38867440]

約数ペア:

[(1, 38867440), (2, 19433720), (4, 9716860), (5, 7773488), (8, 4858430), (10, 3886744), (16, 2429215), (17, 2286320), (20, 1943372), (34, 1143160), (40, 971686), (68, 571580), (80, 485843), (85, 457264), (136, 285790), (170, 228632), (272, 142895), (340, 114316), (680, 57158), (1360, 28579)]