16804539560

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{691}}^1\times {\mathrm{3359}}^1$

素因数の和:4242

約数の個数: 64

約数和(自身を含む): 38085465600

約数和(自身を除く): 21280926040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 691, 724, 905, 1382, 1448, 1810, 2764, 3359, 3455, 3620, 5528, 6718, 6910, 7240, 13436, 13820, 16795, 26872, 27640, 33590, 67180, 125071, 134360, 250142, 500284, 607979, 625355, 1000568, 1215958, 1250710, 2321069, 2431916, 2501420, 3039895, 4642138, 4863832, 5002840, 6079790, 9284276, 11605345, 12159580, 18568552, 23210690, 24319160, 46421380, 92842760, 420113489, 840226978, 1680453956, 2100567445, 3360907912, 4201134890, 8402269780, 16804539560]

約数ペア:

[(1, 16804539560), (2, 8402269780), (4, 4201134890), (5, 3360907912), (8, 2100567445), (10, 1680453956), (20, 840226978), (40, 420113489), (181, 92842760), (362, 46421380), (691, 24319160), (724, 23210690), (905, 18568552), (1382, 12159580), (1448, 11605345), (1810, 9284276), (2764, 6079790), (3359, 5002840), (3455, 4863832), (3620, 4642138), (5528, 3039895), (6718, 2501420), (6910, 2431916), (7240, 2321069), (13436, 1250710), (13820, 1215958), (16795, 1000568), (26872, 625355), (27640, 607979), (33590, 500284), (67180, 250142), (125071, 134360)]