61312520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{28921}}^1$

素因数の和:28985

約数の個数: 32

約数和(自身を含む): 140560920

約数和(自身を除く): 79248400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 28921, 57842, 115684, 144605, 231368, 289210, 578420, 1156840, 1532813, 3065626, 6131252, 7664065, 12262504, 15328130, 30656260, 61312520]

約数ペア:

[(1, 61312520), (2, 30656260), (4, 15328130), (5, 12262504), (8, 7664065), (10, 6131252), (20, 3065626), (40, 1532813), (53, 1156840), (106, 578420), (212, 289210), (265, 231368), (424, 144605), (530, 115684), (1060, 57842), (2120, 28921)]