20143740040

素因数分解:

$2^3\times 5^1\times {\mathrm{15581}}^1\times {\mathrm{32321}}^1$

素因数の和:47913

約数の個数: 32

約数和(自身を含む): 45327726360

約数和(自身を除く): 25183986320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 15581, 31162, 32321, 62324, 64642, 77905, 124648, 129284, 155810, 161605, 258568, 311620, 323210, 623240, 646420, 1292840, 503593501, 1007187002, 2014374004, 2517967505, 4028748008, 5035935010, 10071870020, 20143740040]

約数ペア:

[(1, 20143740040), (2, 10071870020), (4, 5035935010), (5, 4028748008), (8, 2517967505), (10, 2014374004), (20, 1007187002), (40, 503593501), (15581, 1292840), (31162, 646420), (32321, 623240), (62324, 323210), (64642, 311620), (77905, 258568), (124648, 161605), (129284, 155810)]