812870720

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{19391}}^1$

素因数の和:19539

約数の個数: 56

約数和(自身を含む): 1950524928

約数和(自身を除く): 1137654208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 320, 524, 655, 1048, 1310, 2096, 2620, 4192, 5240, 8384, 10480, 19391, 20960, 38782, 41920, 77564, 96955, 155128, 193910, 310256, 387820, 620512, 775640, 1241024, 1551280, 2540221, 3102560, 5080442, 6205120, 10160884, 12701105, 20321768, 25402210, 40643536, 50804420, 81287072, 101608840, 162574144, 203217680, 406435360, 812870720]

約数ペア:

[(1, 812870720), (2, 406435360), (4, 203217680), (5, 162574144), (8, 101608840), (10, 81287072), (16, 50804420), (20, 40643536), (32, 25402210), (40, 20321768), (64, 12701105), (80, 10160884), (131, 6205120), (160, 5080442), (262, 3102560), (320, 2540221), (524, 1551280), (655, 1241024), (1048, 775640), (1310, 620512), (2096, 387820), (2620, 310256), (4192, 193910), (5240, 155128), (8384, 96955), (10480, 77564), (19391, 41920), (20960, 38782)]