159054920

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{28607}}^1$

素因数の和:28757

約数の個数: 32

約数和(自身を含む): 360460800

約数和(自身を除く): 201405880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 28607, 57214, 114428, 143035, 228856, 286070, 572140, 1144280, 3976373, 7952746, 15905492, 19881865, 31810984, 39763730, 79527460, 159054920]

約数ペア:

[(1, 159054920), (2, 79527460), (4, 39763730), (5, 31810984), (8, 19881865), (10, 15905492), (20, 7952746), (40, 3976373), (139, 1144280), (278, 572140), (556, 286070), (695, 228856), (1112, 143035), (1390, 114428), (2780, 57214), (5560, 28607)]