138675160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{266683}}^1$

素因数の和:266707

約数の個数: 32

約数和(自身を含む): 336021840

約数和(自身を除く): 197346680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 266683, 533366, 1066732, 1333415, 2133464, 2666830, 3466879, 5333660, 6933758, 10667320, 13867516, 17334395, 27735032, 34668790, 69337580, 138675160]

約数ペア:

[(1, 138675160), (2, 69337580), (4, 34668790), (5, 27735032), (8, 17334395), (10, 13867516), (13, 10667320), (20, 6933758), (26, 5333660), (40, 3466879), (52, 2666830), (65, 2133464), (104, 1333415), (130, 1066732), (260, 533366), (520, 266683)]