71098480

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2111}}^1$

素因数の和:2545

約数の個数: 40

約数和(自身を含む): 165775104

約数和(自身を除く): 94676624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1684, 2105, 2111, 3368, 4210, 4222, 6736, 8420, 8444, 10555, 16840, 16888, 21110, 33680, 33776, 42220, 84440, 168880, 888731, 1777462, 3554924, 4443655, 7109848, 8887310, 14219696, 17774620, 35549240, 71098480]

約数ペア:

[(1, 71098480), (2, 35549240), (4, 17774620), (5, 14219696), (8, 8887310), (10, 7109848), (16, 4443655), (20, 3554924), (40, 1777462), (80, 888731), (421, 168880), (842, 84440), (1684, 42220), (2105, 33776), (2111, 33680), (3368, 21110), (4210, 16888), (4222, 16840), (6736, 10555), (8420, 8444)]