2013663280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{811961}}^1$

素因数の和:812005

約数の個数: 40

約数和(自身を含む): 4832797824

約数和(自身を除く): 2819134544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 811961, 1623922, 3247844, 4059805, 6495688, 8119610, 12991376, 16239220, 25170791, 32478440, 50341582, 64956880, 100683164, 125853955, 201366328, 251707910, 402732656, 503415820, 1006831640, 2013663280]

約数ペア:

[(1, 2013663280), (2, 1006831640), (4, 503415820), (5, 402732656), (8, 251707910), (10, 201366328), (16, 125853955), (20, 100683164), (31, 64956880), (40, 50341582), (62, 32478440), (80, 25170791), (124, 16239220), (155, 12991376), (248, 8119610), (310, 6495688), (496, 4059805), (620, 3247844), (1240, 1623922), (2480, 811961)]