210545320

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{19423}}^1$

素因数の和:19705

約数の個数: 32

約数和(自身を含む): 475499520

約数和(自身を除く): 264954200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 10840, 19423, 38846, 77692, 97115, 155384, 194230, 388460, 776920, 5263633, 10527266, 21054532, 26318165, 42109064, 52636330, 105272660, 210545320]

約数ペア:

[(1, 210545320), (2, 105272660), (4, 52636330), (5, 42109064), (8, 26318165), (10, 21054532), (20, 10527266), (40, 5263633), (271, 776920), (542, 388460), (1084, 194230), (1355, 155384), (2168, 97115), (2710, 77692), (5420, 38846), (10840, 19423)]