16565513380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{200989}}^1$

素因数の和:201328

約数の個数: 48

約数和(自身を含む): 37581914160

約数和(自身を除く): 21016400780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 317, 634, 1268, 1585, 3170, 4121, 6340, 8242, 16484, 20605, 41210, 82420, 200989, 401978, 803956, 1004945, 2009890, 2612857, 4019780, 5225714, 10451428, 13064285, 26128570, 52257140, 63713513, 127427026, 254854052, 318567565, 637135130, 828275669, 1274270260, 1656551338, 3313102676, 4141378345, 8282756690, 16565513380]

約数ペア:

[(1, 16565513380), (2, 8282756690), (4, 4141378345), (5, 3313102676), (10, 1656551338), (13, 1274270260), (20, 828275669), (26, 637135130), (52, 318567565), (65, 254854052), (130, 127427026), (260, 63713513), (317, 52257140), (634, 26128570), (1268, 13064285), (1585, 10451428), (3170, 5225714), (4121, 4019780), (6340, 2612857), (8242, 2009890), (16484, 1004945), (20605, 803956), (41210, 401978), (82420, 200989)]