139214920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{267721}}^1$

素因数の和:267745

約数の個数: 32

約数和(自身を含む): 337329720

約数和(自身を除く): 198114800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 267721, 535442, 1070884, 1338605, 2141768, 2677210, 3480373, 5354420, 6960746, 10708840, 13921492, 17401865, 27842984, 34803730, 69607460, 139214920]

約数ペア:

[(1, 139214920), (2, 69607460), (4, 34803730), (5, 27842984), (8, 17401865), (10, 13921492), (13, 10708840), (20, 6960746), (26, 5354420), (40, 3480373), (52, 2677210), (65, 2141768), (104, 1338605), (130, 1070884), (260, 535442), (520, 267721)]