61656040

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{2339}}^1$

素因数の和:3009

約数の個数: 32

約数和(自身を含む): 138996000

約数和(自身を除く): 77339960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2339, 2636, 3295, 4678, 5272, 6590, 9356, 11695, 13180, 18712, 23390, 26360, 46780, 93560, 1541401, 3082802, 6165604, 7707005, 12331208, 15414010, 30828020, 61656040]

約数ペア:

[(1, 61656040), (2, 30828020), (4, 15414010), (5, 12331208), (8, 7707005), (10, 6165604), (20, 3082802), (40, 1541401), (659, 93560), (1318, 46780), (2339, 26360), (2636, 23390), (3295, 18712), (4678, 13180), (5272, 11695), (6590, 9356)]