21836704040

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{257}}^1\times {\mathrm{11867}}^1$

素因数の和:12314

約数の個数: 64

約数和(自身を含む): 49603492800

約数和(自身を除く): 27766788760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 257, 358, 514, 716, 895, 1028, 1285, 1432, 1790, 2056, 2570, 3580, 5140, 7160, 10280, 11867, 23734, 46003, 47468, 59335, 92006, 94936, 118670, 184012, 230015, 237340, 368024, 460030, 474680, 920060, 1840120, 2124193, 3049819, 4248386, 6099638, 8496772, 10620965, 12199276, 15249095, 16993544, 21241930, 24398552, 30498190, 42483860, 60996380, 84967720, 121992760, 545917601, 1091835202, 2183670404, 2729588005, 4367340808, 5459176010, 10918352020, 21836704040]

約数ペア:

[(1, 21836704040), (2, 10918352020), (4, 5459176010), (5, 4367340808), (8, 2729588005), (10, 2183670404), (20, 1091835202), (40, 545917601), (179, 121992760), (257, 84967720), (358, 60996380), (514, 42483860), (716, 30498190), (895, 24398552), (1028, 21241930), (1285, 16993544), (1432, 15249095), (1790, 12199276), (2056, 10620965), (2570, 8496772), (3580, 6099638), (5140, 4248386), (7160, 3049819), (10280, 2124193), (11867, 1840120), (23734, 920060), (46003, 474680), (47468, 460030), (59335, 368024), (92006, 237340), (94936, 230015), (118670, 184012)]