39681672512

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{20000843}}^1$

素因数の和:20000886

約数の個数: 28

約数和(自身を含む): 81283430016

約数和(自身を除く): 41601757504

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 20000843, 40001686, 80003372, 160006744, 320013488, 620026133, 640026976, 1240052266, 1280053952, 2480104532, 4960209064, 9920418128, 19840836256, 39681672512]

約数ペア:

[(1, 39681672512), (2, 19840836256), (4, 9920418128), (8, 4960209064), (16, 2480104532), (31, 1280053952), (32, 1240052266), (62, 640026976), (64, 620026133), (124, 320013488), (248, 160006744), (496, 80003372), (992, 40001686), (1984, 20000843)]