2005024340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{22283}}^1$

素因数の和:22712

約数の個数: 48

約数和(自身を含む): 4604765760

約数和(自身を除く): 2599741420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 409, 818, 1636, 2045, 4090, 4499, 8180, 8998, 17996, 22283, 22495, 44566, 44990, 89132, 89980, 111415, 222830, 245113, 445660, 490226, 980452, 1225565, 2451130, 4902260, 9113747, 18227494, 36454988, 45568735, 91137470, 100251217, 182274940, 200502434, 401004868, 501256085, 1002512170, 2005024340]

約数ペア:

[(1, 2005024340), (2, 1002512170), (4, 501256085), (5, 401004868), (10, 200502434), (11, 182274940), (20, 100251217), (22, 91137470), (44, 45568735), (55, 36454988), (110, 18227494), (220, 9113747), (409, 4902260), (818, 2451130), (1636, 1225565), (2045, 980452), (4090, 490226), (4499, 445660), (8180, 245113), (8998, 222830), (17996, 111415), (22283, 89980), (22495, 89132), (44566, 44990)]