53315320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18773}}^1$

素因数の和:18855

約数の個数: 32

約数和(自身を含む): 121655520

約数和(自身を除く): 68340200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 18773, 37546, 75092, 93865, 150184, 187730, 375460, 750920, 1332883, 2665766, 5331532, 6664415, 10663064, 13328830, 26657660, 53315320]

約数ペア:

[(1, 53315320), (2, 26657660), (4, 13328830), (5, 10663064), (8, 6664415), (10, 5331532), (20, 2665766), (40, 1332883), (71, 750920), (142, 375460), (284, 187730), (355, 150184), (568, 93865), (710, 75092), (1420, 37546), (2840, 18773)]