26988090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20921}}^1$

素因数の和:20974

約数の個数: 32

約数和(自身を含む): 66280896

約数和(自身を除く): 39292806

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 20921, 41842, 62763, 104605, 125526, 209210, 313815, 627630, 899603, 1799206, 2698809, 4498015, 5397618, 8996030, 13494045, 26988090]

約数ペア:

[(1, 26988090), (2, 13494045), (3, 8996030), (5, 5397618), (6, 4498015), (10, 2698809), (15, 1799206), (30, 899603), (43, 627630), (86, 313815), (129, 209210), (215, 125526), (258, 104605), (430, 62763), (645, 41842), (1290, 20921)]