70854940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{20963}}^1$

素因数の和:20998

約数の個数: 36

約数和(自身を含む): 161129304

約数和(自身を除く): 90274364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 20963, 41926, 83852, 104815, 209630, 272519, 419260, 545038, 1090076, 1362595, 2725190, 3542747, 5450380, 7085494, 14170988, 17713735, 35427470, 70854940]

約数ペア:

[(1, 70854940), (2, 35427470), (4, 17713735), (5, 14170988), (10, 7085494), (13, 5450380), (20, 3542747), (26, 2725190), (52, 1362595), (65, 1090076), (130, 545038), (169, 419260), (260, 272519), (338, 209630), (676, 104815), (845, 83852), (1690, 41926), (3380, 20963)]