2140236440

素因数分解:

$2^3\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{42839}}^1$

素因数の和:44099

約数の個数: 32

約数和(自身を含む): 4819500000

約数和(自身を除く): 2679263560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1249, 2498, 4996, 6245, 9992, 12490, 24980, 42839, 49960, 85678, 171356, 214195, 342712, 428390, 856780, 1713560, 53505911, 107011822, 214023644, 267529555, 428047288, 535059110, 1070118220, 2140236440]

約数ペア:

[(1, 2140236440), (2, 1070118220), (4, 535059110), (5, 428047288), (8, 267529555), (10, 214023644), (20, 107011822), (40, 53505911), (1249, 1713560), (2498, 856780), (4996, 428390), (6245, 342712), (9992, 214195), (12490, 171356), (24980, 85678), (42839, 49960)]