13381040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9839}}^1$

素因数の和:9869

約数の個数: 40

約数和(自身を含む): 32944320

約数和(自身を除く): 19563280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 9839, 19678, 39356, 49195, 78712, 98390, 157424, 167263, 196780, 334526, 393560, 669052, 787120, 836315, 1338104, 1672630, 2676208, 3345260, 6690520, 13381040]

約数ペア:

[(1, 13381040), (2, 6690520), (4, 3345260), (5, 2676208), (8, 1672630), (10, 1338104), (16, 836315), (17, 787120), (20, 669052), (34, 393560), (40, 334526), (68, 196780), (80, 167263), (85, 157424), (136, 98390), (170, 78712), (272, 49195), (340, 39356), (680, 19678), (1360, 9839)]